diff --git a/pkgs/development/compilers/openjdk/openjfx/21.nix b/pkgs/development/compilers/openjdk/openjfx/21.nix
index 071420100e97..34693b3f921c 100644
--- a/pkgs/development/compilers/openjdk/openjfx/21.nix
+++ b/pkgs/development/compilers/openjdk/openjfx/21.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchFromGitHub, writeText, openjdk17_headless
-, openjdk19_headless, gradle_7, pkg-config, perl, cmake, gperf, gtk2, gtk3, libXtst
+, openjdk21_headless, gradle_7, pkg-config, perl, cmake, gperf, gtk2, gtk3, libXtst
 , libXxf86vm, glib, alsa-lib, ffmpeg_4, python3, ruby, fetchurl, runCommand
 , withMedia ? true
 , withWebKit ? false
@@ -49,7 +49,7 @@ let
 
     config = writeText "gradle.properties" (''
       CONF = Release
-      JDK_HOME = ${openjdk19_headless.home}
+      JDK_HOME = ${openjdk21_headless.home}
     '' + args.gradleProperties or "");
 
     buildPhase = ''
@@ -111,14 +111,14 @@ in makePackage {
 
   postFixup = ''
     # Remove references to bootstrap.
-    export openjdkOutPath='${openjdk19_headless.outPath}'
+    export openjdkOutPath='${openjdk21_headless.outPath}'
     find "$out" -name \*.so | while read lib; do
       new_refs="$(patchelf --print-rpath "$lib" | perl -pe 's,:?\Q$ENV{openjdkOutPath}\E[^:]*,,')"
       patchelf --set-rpath "$new_refs" "$lib"
     done
   '';
 
-  disallowedReferences = [ openjdk17_headless openjdk19_headless ];
+  disallowedReferences = [ openjdk17_headless openjdk21_headless ];
 
   passthru.deps = deps;