diff --git a/flutter.nix b/flutter.nix
index 599dd01..72ef5c7 100644
--- a/flutter.nix
+++ b/flutter.nix
@@ -36,12 +36,12 @@
           buildInputs = with pkgs; [
             flutter
             androidComposition.androidsdk
-            jdk17
+            jdk21
           ];
 
           ANDROID_SDK_ROOT =
             "${androidComposition.androidsdk}/libexec/android-sdk";
-          JAVA_HOME = "${pkgs.jdk17}/lib/openjdk";
+          JAVA_HOME = "${pkgs.jdk21}/lib/openjdk";
         };
       });
 }