diff --git a/build.gradle b/build.gradle
index 0073104..5d11cd2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -53,5 +53,5 @@ allprojects {
 }
 
 jdks {
-    daemonTarget = 17
+    daemonTarget = 21
 }
diff --git a/gradle/gradle-daemon-jdk-version b/gradle/gradle-daemon-jdk-version
index 98d9bcb..aabe6ec 100644
--- a/gradle/gradle-daemon-jdk-version
+++ b/gradle/gradle-daemon-jdk-version
@@ -1 +1 @@
-17
+21