diff --git a/gradle.properties b/gradle.properties
index a072851..544f891 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,7 +11,7 @@ plugin_ifGitDiff_impl=com.diffplug.spotless.changelog.gradle.IfGitDiffPlugin
 plugin_ifGitDiff_name=If Git Diff
 plugin_ifGitDiff_desc=Decide what to configure based on changes relative to `origin/main`
 
-ver_java=8
+ver_java=11
 maven_group=com.diffplug.spotless-changelog
 javadoc_links=\
     https://docs.oracle.com/javase/8/docs/api/ \