diff --git a/.github/actions/prepare_env/action.yml b/.github/actions/prepare_env/action.yml
index c63b87cf..8fc986e0 100644
--- a/.github/actions/prepare_env/action.yml
+++ b/.github/actions/prepare_env/action.yml
@@ -11,7 +11,7 @@ runs:
         java-version: |
           24
           21
-          19
+          17
         cache: 'gradle'
     - name: Set JAVA_HOME_{N}
       shell: bash
diff --git a/SwiftKitCore/build.gradle b/SwiftKitCore/build.gradle
index 3d5907f2..78cdbeb2 100644
--- a/SwiftKitCore/build.gradle
+++ b/SwiftKitCore/build.gradle
@@ -25,11 +25,11 @@ repositories {
 
 java {
     toolchain {
-        // JDK 19 is the last JDK to support Java 7
-        languageVersion.set(JavaLanguageVersion.of(19))
+        languageVersion.set(JavaLanguageVersion.of(17))
     }
     // Support Android 6+ (Java 7)
     sourceCompatibility = JavaVersion.VERSION_1_7
+    targetCompatibility = JavaVersion.VERSION_1_7
 }
 
 dependencies {