diff --git a/pkgs/overlay.nix b/pkgs/overlay.nix
index 03257f0f..caa0a927 100644
--- a/pkgs/overlay.nix
+++ b/pkgs/overlay.nix
@@ -1,5 +1,5 @@
 final: prev: {
-  think-gtcm = final.callPackage ./think-gtcm.nix { };
+  think-gtcm = final.callPackage ./think-gtcm.nix { php = final.php83; };
   think-backend-gtcm = final.callPackage ./think-backend-gtcm.nix { php = final.php83; };
   gtcm-file-uploader = final.callPackage ./gtcm-file-uploader.nix { };
 }