diff --git a/flake.nix b/flake.nix
index ac094dbd7..15ca45f54 100644
--- a/flake.nix
+++ b/flake.nix
@@ -85,6 +85,8 @@
             postgresql_12
             postgresql_13
             postgresql_14
+            postgresql_15
+            postgresql_16
           ];
           buildInputs = with pkgs; [
             rustfmt