diff --git a/.github/workflows/pre-merge.yaml b/.github/workflows/pre-merge.yaml
index fd54ff5..d9a2817 100644
--- a/.github/workflows/pre-merge.yaml
+++ b/.github/workflows/pre-merge.yaml
@@ -27,7 +27,7 @@ jobs:
         uses: actions/setup-java@v3.10.0
         with:
           distribution: 'corretto'
-          java-version: 11
+          java-version: 17
       - name: Cache Gradle Caches
         uses: gradle/gradle-build-action@v2
       - name: Run Gradle tasks
diff --git a/.github/workflows/publish-plugin.yaml b/.github/workflows/publish-plugin.yaml
index c3c57a0..2d6c0f7 100644
--- a/.github/workflows/publish-plugin.yaml
+++ b/.github/workflows/publish-plugin.yaml
@@ -21,7 +21,7 @@ jobs:
         uses: actions/setup-java@v3.10.0
         with:
           distribution: 'corretto'
-          java-version: 11
+          java-version: 17
       - name: Cache Gradle Caches
         uses: gradle/gradle-build-action@v2
       - name: Run Gradle tasks
diff --git a/plugin-build/unmeta/build.gradle.kts b/plugin-build/unmeta/build.gradle.kts
index 17ebfa5..e2ff726 100644
--- a/plugin-build/unmeta/build.gradle.kts
+++ b/plugin-build/unmeta/build.gradle.kts
@@ -1,5 +1,3 @@
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-
 plugins {
     signing
     kotlin("jvm")
@@ -18,13 +16,8 @@ dependencies {
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_1_8
-    targetCompatibility = JavaVersion.VERSION_1_8
-}
-
-tasks.withType<KotlinCompile> {
-    kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_1_8.toString()
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(17))
     }
 }