diff --git a/.github/workflows/default_temurin.yml b/.github/workflows/default_temurin.yml
index 04877f37..50a1491e 100644
--- a/.github/workflows/default_temurin.yml
+++ b/.github/workflows/default_temurin.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest,macos-latest,windows-latest ]
-        java: [ '8', '11', '17', '21' ]
+        java: [ '11', '17', '21' ]
 
     steps:
       - name: Checkout Code
diff --git a/tools/src/test/java/io/toolisticon/aptk/tools/wrapper/TypeElementWrapperTest.java b/tools/src/test/java/io/toolisticon/aptk/tools/wrapper/TypeElementWrapperTest.java
index 5b41c3f3..d62434d9 100644
--- a/tools/src/test/java/io/toolisticon/aptk/tools/wrapper/TypeElementWrapperTest.java
+++ b/tools/src/test/java/io/toolisticon/aptk/tools/wrapper/TypeElementWrapperTest.java
@@ -420,7 +420,7 @@ public void test_getOuterType() {
                         MatcherAssert.assertThat(outerType.get().getQualifiedName(), Matchers.is(TypeElementWrapperTest.class.getCanonicalName()));
                         
                         outerType = outerType.get().getOuterType();
-                        MatcherAssert.assertThat(outerType.isEmpty(), Matchers.is(true));
+                        MatcherAssert.assertThat(outerType.isPresent(), Matchers.is(false));
                         
                         MatcherAssert.assertThat(unit.getOuterTopLevelType().get().getQualifiedName(), Matchers.is(TypeElementWrapperTest.class.getCanonicalName()));