diff --git a/commit_text b/commit_text
index fa90fa7..c0216e1 100644
--- a/commit_text
+++ b/commit_text
@@ -1 +1 @@
-Updated flake
+Added jdk needed by stellwerksim
diff --git a/configuration.nix b/configuration.nix
index c36db2b..8942b48 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -244,6 +244,8 @@
 
       wineWowPackages.staging
       winetricks
+
+      jdk # needed for stellwerksim
     ];
   in if config.productiveBuild then
     basePackages