diff --git a/codegen/buildSrc/src/main/kotlin/smithy-python.java-conventions.gradle.kts b/codegen/buildSrc/src/main/kotlin/smithy-python.java-conventions.gradle.kts
index 278c72bd1..f50917c67 100644
--- a/codegen/buildSrc/src/main/kotlin/smithy-python.java-conventions.gradle.kts
+++ b/codegen/buildSrc/src/main/kotlin/smithy-python.java-conventions.gradle.kts
@@ -37,6 +37,7 @@ dependencies {
     testImplementation(platform(libs.junit.bom))
     testImplementation(libs.junit.jupiter.api)
     testRuntimeOnly(libs.junit.jupiter.engine)
+    testRuntimeOnly(libs.junit.platform.launcher)
     testImplementation(libs.junit.jupiter.params)
     compileOnly("com.github.spotbugs:spotbugs-annotations:${spotbugs.toolVersion.get()}")
     testCompileOnly("com.github.spotbugs:spotbugs-annotations:${spotbugs.toolVersion.get()}")
diff --git a/codegen/gradle/libs.versions.toml b/codegen/gradle/libs.versions.toml
index 136377030..5e0533153 100644
--- a/codegen/gradle/libs.versions.toml
+++ b/codegen/gradle/libs.versions.toml
@@ -1,11 +1,11 @@
 [versions]
-junit5 = "5.11.4"
+junit5 = "5.12.0"
 smithy = "1.54.0"
 test-logger-plugin = "4.0.0"
 spotbugs = "6.0.22"
 spotless = "7.0.2"
 smithy-gradle-plugins = "1.2.0"
-dep-analysis = "2.8.2"
+dep-analysis = "2.10.1"
 
 [libraries]
 smithy-model = { module = "software.amazon.smithy:smithy-model", version.ref = "smithy" }
@@ -20,6 +20,7 @@ junit-bom = { module = "org.junit:junit-bom", version.ref = "junit5" }
 junit-jupiter-api = { module = "org.junit.jupiter:junit-jupiter-api", version.ref = "junit5" }
 junit-jupiter-engine = { module = "org.junit.jupiter:junit-jupiter-engine", version.ref = "junit5" }
 junit-jupiter-params = { module = "org.junit.jupiter:junit-jupiter-params", version.ref = "junit5" }
+junit-platform-launcher = { module = "org.junit.platform:junit-platform-launcher" }
 
 # plugin artifacts for buildsrc plugins
 test-logger-plugin = { module = "com.adarshr:gradle-test-logger-plugin", version.ref = "test-logger-plugin" }