update to 1.20.5

1 files changed, 1 insertions, 1 deletions

diff --git a/flake.nix b/flake.nix
index 06e97ba..bac42ae 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,8 +7,8 @@
     devShells.${system}.default = pkgs.mkShell {
       nativeBuildInputs = with pkgs; [
         gradle
+        jdk21
         jdt-language-server
-        openjdk17
       ];
     };
   };