diff --git a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/BaseFirebaseLibraryPlugin.kt b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/BaseFirebaseLibraryPlugin.kt
index 73ed318f092..3a146524a84 100644
--- a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/BaseFirebaseLibraryPlugin.kt
+++ b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/BaseFirebaseLibraryPlugin.kt
@@ -23,6 +23,7 @@ import java.nio.file.Paths
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.artifacts.ProjectDependency
+import org.gradle.api.file.ConfigurableFileCollection
 import org.gradle.api.provider.Provider
 import org.gradle.api.publish.PublishingExtension
 import org.gradle.api.publish.maven.MavenPom
@@ -124,7 +125,10 @@ abstract class BaseFirebaseLibraryPlugin : Plugin<Project> {
     Coverage.apply(library)
   }
 
-  protected fun getApiInfo(project: Project, srcDirs: Set<File>): TaskProvider<ApiInformationTask> {
+  protected fun getApiInfo(
+    project: Project,
+    srcDirs: ConfigurableFileCollection,
+  ): TaskProvider<ApiInformationTask> {
     val outputFile =
       project.rootProject.file(
         Paths.get(
@@ -138,7 +142,7 @@ abstract class BaseFirebaseLibraryPlugin : Plugin<Project> {
       project.file("api.txt").takeIf { it.exists() } ?: project.rootProject.file("empty-api.txt")
     val apiInfo =
       project.tasks.register<ApiInformationTask>("apiInformation") {
-        sources.value(project.provider { srcDirs })
+        sources.from(project.provider { srcDirs })
         apiTxtFile.set(apiTxt)
         baselineFile.set(project.file("baseline.txt"))
         this.outputFile.set(outputFile)
@@ -157,17 +161,17 @@ abstract class BaseFirebaseLibraryPlugin : Plugin<Project> {
     }
   }
 
-  protected fun getGenerateApiTxt(project: Project, srcDirs: Set<File>) =
+  protected fun getGenerateApiTxt(project: Project, srcDirs: ConfigurableFileCollection) =
     project.tasks.register<GenerateApiTxtTask>("generateApiTxtFile") {
-      sources.value(project.provider { srcDirs })
+      sources.from(project.provider { srcDirs })
       apiTxtFile.set(project.file("api.txt"))
       baselineFile.set(project.file("baseline.txt"))
       updateBaseline.set(project.hasProperty("updateBaseline"))
     }
 
-  protected fun getDocStubs(project: Project, srcDirs: Set<File>) =
+  protected fun getDocStubs(project: Project, srcDirs: ConfigurableFileCollection) =
     project.tasks.register<GenerateStubsTask>("docStubs") {
-      sources.value(project.provider { srcDirs })
+      sources.from(project.provider { srcDirs })
     }
 
   /**
diff --git a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/DackkaGenerationTask.kt b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/DackkaGenerationTask.kt
index 663ac35365a..058a4f51e98 100644
--- a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/DackkaGenerationTask.kt
+++ b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/DackkaGenerationTask.kt
@@ -20,6 +20,7 @@ import java.io.File
 import javax.inject.Inject
 import org.gradle.api.DefaultTask
 import org.gradle.api.file.FileCollection
+import org.gradle.api.file.RegularFileProperty
 import org.gradle.api.provider.ListProperty
 import org.gradle.api.provider.Property
 import org.gradle.api.tasks.CacheableTask
@@ -53,7 +54,7 @@ import org.json.JSONObject
 @CacheableTask
 abstract class GenerateDocumentationTaskExtension : DefaultTask() {
   @get:[InputFile Classpath]
-  abstract val dackkaJarFile: Property<File>
+  abstract val dackkaJarFile: RegularFileProperty
 
   @get:[InputFiles Classpath]
   abstract val dependencies: Property<FileCollection>
@@ -72,7 +73,7 @@ abstract class GenerateDocumentationTaskExtension : DefaultTask() {
 
   @get:Input abstract val clientName: Property<String>
 
-  @get:OutputDirectory abstract val outputDirectory: Property<File>
+  @get:OutputDirectory abstract val outputDirectory: RegularFileProperty
 }
 
 /**
@@ -123,7 +124,7 @@ constructor(private val workerExecutor: WorkerExecutor) : GenerateDocumentationT
     val jsonMap =
       mapOf(
         "moduleName" to "",
-        "outputDir" to outputDirectory.get().absolutePath,
+        "outputDir" to outputDirectory.get().asFile.absolutePath,
         "globalLinks" to "",
         "sourceSets" to
           listOf(
@@ -215,7 +216,7 @@ constructor(private val workerExecutor: WorkerExecutor) : GenerateDocumentationT
  */
 interface DackkaParams : WorkParameters {
   val args: ListProperty<String>
-  val dackkaFile: Property<File>
+  val dackkaFile: RegularFileProperty
 }
 
 /**
diff --git a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/DackkaPlugin.kt b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/DackkaPlugin.kt
index 32cc65d6edc..4a289bebdd5 100644
--- a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/DackkaPlugin.kt
+++ b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/DackkaPlugin.kt
@@ -18,9 +18,9 @@ package com.google.firebase.gradle.plugins
 
 import com.android.build.api.attributes.BuildTypeAttr
 import com.android.build.gradle.LibraryExtension
-import java.io.File
 import org.gradle.api.Plugin
 import org.gradle.api.Project
+import org.gradle.api.file.RegularFile
 import org.gradle.api.provider.Provider
 import org.gradle.api.tasks.Copy
 import org.gradle.api.tasks.Delete
@@ -204,26 +204,26 @@ abstract class DackkaPlugin : Plugin<Project> {
   private fun GenerateDocumentationTask.applyCommonConfigurations() {
     dependsOnAndMustRunAfter("createFullJarRelease")
 
-    val dackkaFile = project.provider { project.dackkaConfig.singleFile }
+    val dackkaFile = project.layout.projectDirectory.file(project.dackkaConfig.singleFile.path)
 
-    dackkaJarFile.set(dackkaFile)
+    dackkaJarFile.convention(dackkaFile)
     clientName.set(project.firebaseLibrary.artifactId)
   }
 
   private fun registerFiresiteTransformTask(
     project: Project,
-    dackkaOutputDirectory: Provider<File>,
+    dackkaOutputDirectory: Provider<RegularFile>,
   ) =
     project.tasks.register<FiresiteTransformTask>("firesiteTransform") {
       val outputDir by tempFile("dackkaTransformedFiles")
 
-      dackkaFiles.set(dackkaOutputDirectory.childFile("docs/reference"))
+      dackkaFiles.set(dackkaOutputDirectory)
       outputDirectory.set(outputDir)
     }
 
   private fun registerCopyDocsToCommonDirectoryTask(
     project: Project,
-    transformedFilesDirectory: Provider<File>,
+    transformedFilesDirectory: Provider<RegularFile>,
   ) =
     project.tasks.register<Copy>("copyDocsToCommonDirectory") {
       from(transformedFilesDirectory)
diff --git a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/FirebaseAndroidLibraryPlugin.kt b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/FirebaseAndroidLibraryPlugin.kt
index b355e2ba28a..e0732174ae4 100644
--- a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/FirebaseAndroidLibraryPlugin.kt
+++ b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/FirebaseAndroidLibraryPlugin.kt
@@ -23,7 +23,6 @@ import com.google.firebase.gradle.plugins.ci.device.FirebaseTestServer
 import com.google.firebase.gradle.plugins.license.LicenseResolverPlugin
 import com.google.firebase.gradle.plugins.semver.ApiDiffer
 import com.google.firebase.gradle.plugins.semver.GmavenCopier
-import java.io.File
 import org.gradle.api.JavaVersion
 import org.gradle.api.Project
 import org.gradle.api.attributes.Attribute
@@ -164,14 +163,14 @@ class FirebaseAndroidLibraryPlugin : BaseFirebaseLibraryPlugin() {
   }
 
   private fun setupApiInformationAnalysis(project: Project, android: LibraryExtension) {
-    val srcDirs = android.sourceSets.getByName("main").java.srcDirs
+    val srcDirs = project.files(android.sourceSets.getByName("main").java.srcDirs)
 
     val mainSourceSets = android.sourceSets.getByName("main")
     val getKotlinDirectories = mainSourceSets::class.java.getDeclaredMethod("getKotlinDirectories")
     val kotlinSrcDirs = getKotlinDirectories.invoke(mainSourceSets)
 
-    val apiInfo = getApiInfo(project, kotlinSrcDirs as Set<File>)
-    val generateApiTxt = getGenerateApiTxt(project, kotlinSrcDirs)
+    val apiInfo = getApiInfo(project, project.files(kotlinSrcDirs))
+    val generateApiTxt = getGenerateApiTxt(project, project.files(kotlinSrcDirs))
     val docStubs = getDocStubs(project, srcDirs)
 
     project.tasks.getByName("check").dependsOn(docStubs)
diff --git a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/FirebaseJavaLibraryPlugin.kt b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/FirebaseJavaLibraryPlugin.kt
index 84bf1e9b69c..0c7b2028f1c 100644
--- a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/FirebaseJavaLibraryPlugin.kt
+++ b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/FirebaseJavaLibraryPlugin.kt
@@ -107,7 +107,14 @@ class FirebaseJavaLibraryPlugin : BaseFirebaseLibraryPlugin() {
 
   private fun setupApiInformationAnalysis(project: Project) {
     val srcDirs =
-      project.convention.getPlugin<JavaPluginConvention>().sourceSets.getByName("main").java.srcDirs
+      project.files(
+        project.convention
+          .getPlugin<JavaPluginConvention>()
+          .sourceSets
+          .getByName("main")
+          .java
+          .srcDirs
+      )
 
     val apiInfo = getApiInfo(project, srcDirs)
 
diff --git a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/FiresiteTransformTask.kt b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/FiresiteTransformTask.kt
index 8d8e5e4a8f6..e8f4186d97e 100644
--- a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/FiresiteTransformTask.kt
+++ b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/FiresiteTransformTask.kt
@@ -18,7 +18,7 @@ package com.google.firebase.gradle.plugins
 
 import java.io.File
 import org.gradle.api.DefaultTask
-import org.gradle.api.provider.Property
+import org.gradle.api.file.RegularFileProperty
 import org.gradle.api.tasks.CacheableTask
 import org.gradle.api.tasks.InputDirectory
 import org.gradle.api.tasks.OutputDirectory
@@ -46,16 +46,16 @@ import org.gradle.api.tasks.TaskAction
 abstract class FiresiteTransformTask : DefaultTask() {
   @get:InputDirectory
   @get:PathSensitive(PathSensitivity.RELATIVE)
-  abstract val dackkaFiles: Property<File>
+  abstract val dackkaFiles: RegularFileProperty
 
-  @get:OutputDirectory abstract val outputDirectory: Property<File>
+  @get:OutputDirectory abstract val outputDirectory: RegularFileProperty
 
   @TaskAction
   fun build() {
     val namesOfFilesWeDoNotNeed =
       listOf("index.html", "classes.html", "packages.html", "package-list")
-    val rootDirectory = dackkaFiles.get()
-    val targetDirectory = outputDirectory.get()
+    val rootDirectory = dackkaFiles.get().asFile.childFile("docs/reference")
+    val targetDirectory = outputDirectory.get().asFile
     targetDirectory.deleteRecursively()
 
     rootDirectory.walkTopDown().forEach {
diff --git a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/GitSubmodulePlugin.kt b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/GitSubmodulePlugin.kt
index 54a722fcacb..87b094044a6 100644
--- a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/GitSubmodulePlugin.kt
+++ b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/GitSubmodulePlugin.kt
@@ -19,7 +19,7 @@ package com.google.firebase.gradle.plugins
 import java.io.File
 import org.gradle.api.Plugin
 import org.gradle.api.Project
-import org.gradle.api.provider.Property
+import org.gradle.api.file.RegularFileProperty
 import org.gradle.api.tasks.Exec
 import org.gradle.kotlin.dsl.create
 import org.gradle.kotlin.dsl.register
@@ -30,7 +30,7 @@ import org.gradle.kotlin.dsl.register
  * @param submodules the parent directory of the SDK's Git Submodules. Defaults to `src/third_party`
  */
 interface GitSubmodulePluginExtension {
-  val submodules: Property<File>
+  val submodules: RegularFileProperty
 }
 
 /**
@@ -56,15 +56,15 @@ abstract class GitSubmodulePlugin : Plugin<Project> {
 
   override fun apply(project: Project) {
     with(configureExtension(project)) {
-      registerInitializeGitSubmodulesTask(project, submodules.get())
-      registerUpdateGitSubmodulesTask(project, submodules.get())
-      registerRemoveGitSubmodulesTask(project, submodules.get())
+      registerInitializeGitSubmodulesTask(project, submodules.get().asFile)
+      registerUpdateGitSubmodulesTask(project, submodules.get().asFile)
+      registerRemoveGitSubmodulesTask(project, submodules.get().asFile)
     }
   }
 
   private fun configureExtension(project: Project) =
     project.extensions.create<GitSubmodulePluginExtension>("GitSubmodule").apply {
-      submodules.convention(project.file("src/third_party"))
+      submodules.convention(project.layout.projectDirectory.file("src/third_party"))
     }
 
   /**
diff --git a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/Metalava.kt b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/Metalava.kt
index 859451ad67a..56cd758a1ac 100644
--- a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/Metalava.kt
+++ b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/Metalava.kt
@@ -22,9 +22,10 @@ import java.io.OutputStream
 import org.gradle.api.DefaultTask
 import org.gradle.api.Project
 import org.gradle.api.artifacts.Configuration
+import org.gradle.api.file.ConfigurableFileCollection
 import org.gradle.api.file.FileCollection
+import org.gradle.api.file.RegularFileProperty
 import org.gradle.api.provider.Property
-import org.gradle.api.provider.SetProperty
 import org.gradle.api.tasks.Classpath
 import org.gradle.api.tasks.Input
 import org.gradle.api.tasks.InputFile
@@ -72,7 +73,7 @@ fun Project.runMetalavaWithArgs(
 
 abstract class GenerateStubsTask : DefaultTask() {
   /** Source files against which API signatures will be validated. */
-  @get:InputFiles abstract val sources: SetProperty<File>
+  @get:InputFiles abstract val sources: ConfigurableFileCollection
 
   @get:[InputFiles Classpath]
   lateinit var classPath: FileCollection
@@ -81,8 +82,7 @@ abstract class GenerateStubsTask : DefaultTask() {
 
   @TaskAction
   fun run() {
-    val sourcePath =
-      sources.get().asSequence().filter { it.exists() }.map { it.absolutePath }.joinToString(":")
+    val sourcePath = sources.files.filter { it.exists() }.map { it.absolutePath }.joinToString(":")
 
     val classPath = classPath.files.asSequence().map { it.absolutePath }.toMutableList()
     project.androidJar?.let { classPath += listOf(it.absolutePath) }
@@ -103,20 +103,19 @@ abstract class GenerateStubsTask : DefaultTask() {
 
 abstract class GenerateApiTxtTask : DefaultTask() {
   /** Source files against which API signatures will be validated. */
-  @get:InputFiles abstract val sources: SetProperty<File>
+  @get:InputFiles abstract val sources: ConfigurableFileCollection
 
   @get:InputFiles lateinit var classPath: FileCollection
 
-  @get:OutputFile abstract val apiTxtFile: Property<File>
+  @get:OutputFile abstract val apiTxtFile: RegularFileProperty
 
-  @get:OutputFile abstract val baselineFile: Property<File>
+  @get:OutputFile abstract val baselineFile: RegularFileProperty
 
   @get:Input abstract val updateBaseline: Property<Boolean>
 
   @TaskAction
   fun run() {
-    val sourcePath =
-      sources.get().asSequence().filter { it.exists() }.map { it.absolutePath }.joinToString(":")
+    val sourcePath = sources.files.filter { it.exists() }.map { it.absolutePath }.joinToString(":")
 
     val classPath = classPath.files.asSequence().map { it.absolutePath }.toMutableList()
     project.androidJar?.let { classPath += listOf(it.absolutePath) }
@@ -128,11 +127,12 @@ abstract class GenerateApiTxtTask : DefaultTask() {
         "--classpath",
         classPath.joinToString(":"),
         "--api",
-        apiTxtFile.get().absolutePath,
+        apiTxtFile.get().asFile.absolutePath,
         "--format=v2",
       ) +
         if (updateBaseline.get()) listOf("--update-baseline")
-        else if (baselineFile.get().exists()) listOf("--baseline", baselineFile.get().absolutePath)
+        else if (baselineFile.get().asFile.exists())
+          listOf("--baseline", baselineFile.get().asFile.absolutePath)
         else listOf(),
       ignoreFailure = true,
     )
@@ -141,24 +141,23 @@ abstract class GenerateApiTxtTask : DefaultTask() {
 
 abstract class ApiInformationTask : DefaultTask() {
   /** Source files against which API signatures will be validated. */
-  @get:InputFiles abstract val sources: SetProperty<File>
+  @get:InputFiles abstract val sources: ConfigurableFileCollection
 
   @get:InputFiles lateinit var classPath: FileCollection
 
-  @get:InputFile abstract val apiTxtFile: Property<File>
+  @get:InputFile abstract val apiTxtFile: RegularFileProperty
 
-  @get:OutputFile abstract val outputApiFile: Property<File>
+  @get:OutputFile abstract val outputApiFile: RegularFileProperty
 
-  @get:OutputFile abstract val baselineFile: Property<File>
+  @get:OutputFile abstract val baselineFile: RegularFileProperty
 
-  @get:OutputFile abstract val outputFile: Property<File>
+  @get:OutputFile abstract val outputFile: RegularFileProperty
 
   @get:Input abstract val updateBaseline: Property<Boolean>
 
   @TaskAction
   fun run() {
-    val sourcePath =
-      sources.get().asSequence().filter { it.exists() }.map { it.absolutePath }.joinToString(":")
+    val sourcePath = sources.files.filter { it.exists() }.map { it.absolutePath }.joinToString(":")
 
     val classPath = classPath.files.asSequence().map { it.absolutePath }.toMutableList()
     project.androidJar?.let { classPath += listOf(it.absolutePath) }
@@ -170,7 +169,7 @@ abstract class ApiInformationTask : DefaultTask() {
         "--classpath",
         classPath.joinToString(":"),
         "--api",
-        outputApiFile.get().absolutePath,
+        outputApiFile.get().asFile.absolutePath,
         "--format=v2",
       ),
       ignoreFailure = true,
@@ -179,9 +178,9 @@ abstract class ApiInformationTask : DefaultTask() {
     project.runMetalavaWithArgs(
       listOf(
         "--source-files",
-        outputApiFile.get().absolutePath,
+        outputApiFile.get().asFile.absolutePath,
         "--check-compatibility:api:released",
-        apiTxtFile.get().absolutePath,
+        apiTxtFile.get().asFile.absolutePath,
         "--error",
         "AddedClass",
         "--error",
@@ -192,10 +191,11 @@ abstract class ApiInformationTask : DefaultTask() {
         "--no-color",
       ) +
         if (updateBaseline.get()) listOf("--update-baseline")
-        else if (baselineFile.get().exists()) listOf("--baseline", baselineFile.get().absolutePath)
+        else if (baselineFile.get().asFile.exists())
+          listOf("--baseline", baselineFile.get().asFile.absolutePath)
         else listOf(),
       ignoreFailure = true,
-      stdOut = FileOutputStream(outputFile.get()),
+      stdOut = FileOutputStream(outputFile.get().asFile),
     )
   }
 }
diff --git a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/MoveUnreleasedChangesTask.kt b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/MoveUnreleasedChangesTask.kt
index 39c8b8675a4..1695f51c460 100644
--- a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/MoveUnreleasedChangesTask.kt
+++ b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/MoveUnreleasedChangesTask.kt
@@ -18,6 +18,7 @@ package com.google.firebase.gradle.plugins
 
 import java.io.File
 import org.gradle.api.DefaultTask
+import org.gradle.api.file.RegularFileProperty
 import org.gradle.api.provider.Property
 import org.gradle.api.tasks.Input
 import org.gradle.api.tasks.InputFile
@@ -41,7 +42,7 @@ import org.gradle.kotlin.dsl.provideDelegate
  */
 abstract class MoveUnreleasedChangesTask : DefaultTask() {
   @get:[Optional InputFile]
-  abstract val changelogFile: Property<File>
+  abstract val changelogFile: RegularFileProperty
 
   @get:[Optional Input]
   abstract val releaseVersion: Property<ModuleVersion>
@@ -52,7 +53,7 @@ abstract class MoveUnreleasedChangesTask : DefaultTask() {
 
   @TaskAction
   fun build() {
-    val file = changelogFile.get()
+    val file = changelogFile.get().asFile
     val changelog = Changelog.fromFile(file)
     val (unreleased, previousReleases) = changelog.releases.separateAt(1)
 
@@ -105,7 +106,7 @@ abstract class MoveUnreleasedChangesTask : DefaultTask() {
   }
 
   private fun configure() {
-    changelogFile.convention(project.file("CHANGELOG.md"))
+    changelogFile.convention(project.layout.projectDirectory.file("CHANGELOG.md"))
     releaseVersion.convention(computeReleaseVersion())
   }
 
diff --git a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/UpdatePinnedDependenciesTask.kt b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/UpdatePinnedDependenciesTask.kt
index 36564d7be78..41df3bc1bb2 100644
--- a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/UpdatePinnedDependenciesTask.kt
+++ b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/UpdatePinnedDependenciesTask.kt
@@ -18,7 +18,7 @@ package com.google.firebase.gradle.plugins
 
 import java.io.File
 import org.gradle.api.DefaultTask
-import org.gradle.api.provider.Property
+import org.gradle.api.file.RegularFileProperty
 import org.gradle.api.tasks.InputFile
 import org.gradle.api.tasks.OutputFile
 import org.gradle.api.tasks.StopExecutionException
@@ -55,10 +55,10 @@ import org.gradle.api.tasks.TaskAction
  */
 abstract class UpdatePinnedDependenciesTask : DefaultTask() {
   @get:[InputFile]
-  abstract val buildFile: Property<File>
+  abstract val buildFile: RegularFileProperty
 
   @get:[OutputFile]
-  abstract val outputFile: Property<File>
+  abstract val outputFile: RegularFileProperty
 
   @TaskAction
   fun updateBuildFileDependencies() {
@@ -67,12 +67,12 @@ abstract class UpdatePinnedDependenciesTask : DefaultTask() {
 
     if (dependenciesToChange.isEmpty()) throw StopExecutionException("No libraries to change.")
 
-    val buildFileContent = buildFile.get().readLines()
+    val buildFileContent = buildFile.get().asFile.readLines()
     val updatedContent = replaceProjectLevelDependencies(buildFileContent, dependenciesToChange)
 
     validateDependenciesHaveChanged(dependenciesToChange, buildFileContent, updatedContent)
 
-    outputFile.get().writeText(updatedContent.joinToString("\n") + "\n")
+    outputFile.get().asFile.writeText(updatedContent.joinToString("\n") + "\n")
   }
 
   private fun validateDependenciesHaveChanged(
diff --git a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/VersionBumpTask.kt b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/VersionBumpTask.kt
index 6b12253d400..8e159438345 100644
--- a/buildSrc/src/main/java/com/google/firebase/gradle/plugins/VersionBumpTask.kt
+++ b/buildSrc/src/main/java/com/google/firebase/gradle/plugins/VersionBumpTask.kt
@@ -18,6 +18,7 @@ package com.google.firebase.gradle.plugins
 
 import java.io.File
 import org.gradle.api.DefaultTask
+import org.gradle.api.file.RegularFileProperty
 import org.gradle.api.provider.Property
 import org.gradle.api.tasks.Input
 import org.gradle.api.tasks.InputFile
@@ -43,7 +44,7 @@ import org.gradle.kotlin.dsl.provideDelegate
  */
 abstract class VersionBumpTask : DefaultTask() {
   @get:[Optional InputFile]
-  abstract val versionFile: Property<File>
+  abstract val versionFile: RegularFileProperty
 
   @get:[Optional Input]
   abstract val releasedVersion: Property<ModuleVersion>
@@ -57,7 +58,7 @@ abstract class VersionBumpTask : DefaultTask() {
 
   @TaskAction
   fun build() {
-    versionFile.get().rewriteLines {
+    versionFile.get().asFile.rewriteLines {
       when {
         it.startsWith("version=") -> "version=${newVersion.get()}"
         it.startsWith("latestReleasedVersion") -> "latestReleasedVersion=${releasedVersion.get()}"
@@ -67,7 +68,7 @@ abstract class VersionBumpTask : DefaultTask() {
   }
 
   fun configure() {
-    versionFile.convention(project.file("gradle.properties"))
+    versionFile.convention(project.layout.projectDirectory.file("gradle.properties"))
     releasedVersion.convention(computeReleasedVersion())
     newVersion.convention(releasedVersion.map { it.bump() })
   }