diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 14bf6a6..7bf6188 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -23,6 +23,9 @@ build:       # This job runs in the build stage, which runs first.
   stage: build
   tags:
     - local-runner
+  before_script:
+    - export JAVA_HOME=/usr/lib/jvm/java-21-openjdk-arm64
+    - export PATH=$JAVA_HOME/bin:$PATH
   script:
     - echo "Compiling the code..."
     - java --version
diff --git a/build.gradle b/build.gradle
index 5bbaae2..9d0b079 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,7 +11,6 @@ description = 'Scheduler Service Backend API Server'
 java {
 	toolchain {
 		languageVersion = JavaLanguageVersion.of(21)
-		javaHome = file(System.getenv("JAVA_HOME"))
 	}
 }