diff --git a/build.gradle b/build.gradle
index d914e05bd21..c52f46ddae3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -65,7 +65,7 @@ allprojects {
 
     plugins.withType(JavaBasePlugin).configureEach {
         java {
-            toolchain.languageVersion = JavaLanguageVersion.of(17)
+            toolchain.languageVersion = JavaLanguageVersion.of(21)
         }
     }