diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7b15886..b5844ee 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -35,7 +35,7 @@ jobs:
         run: ./gradlew build
       - name: capture build artifacts
         if: ${{ runner.os == 'Linux' && matrix.java == '21' }} # Only upload artifacts built from latest java on one OS
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: Artifacts
           path: build/libs/
diff --git a/build.gradle.kts b/build.gradle.kts
index 48939ac..48c16cf 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -4,11 +4,11 @@ plugins {
 	alias(libs.plugins.lwjgl)
     java
 }
-val modVersion = providers.gradleProperty("mod_version")
-val modGroup = providers.gradleProperty("mod_group")
-val modName = providers.gradleProperty("mod_name")
+val modVersion: Provider<String> = providers.gradleProperty("mod_version")
+val modGroup: Provider<String> = providers.gradleProperty("mod_group")
+val modName: Provider<String> = providers.gradleProperty("mod_name")
 
-val javaVersion = libs.versions.java.map { it.toInt() }
+val javaVersion: Provider<Int> = libs.versions.java.map { it.toInt() }
 
 base.archivesName = modName
 group = modGroup.get()