diff --git a/etc/nix/shell.nix b/etc/nix/shell.nix
index 725acd7..cbd09b3 100644
--- a/etc/nix/shell.nix
+++ b/etc/nix/shell.nix
@@ -53,7 +53,7 @@ with nixpkgs;
     # openjdk
     # jetbrains.jdk
     # zulu
-    jdk12
+    jdk13
     # dart_dev
     gnumake
     gcc