diff --git a/modules/nixos/services/development/forgejo/runners/default.nix b/modules/nixos/services/development/forgejo/runners/default.nix
index 74660aa..718e168 100644
--- a/modules/nixos/services/development/forgejo/runners/default.nix
+++ b/modules/nixos/services/development/forgejo/runners/default.nix
@@ -7,7 +7,7 @@ with pkgs;
 let
   debian = dockerTools.pullImage {
     imageName = "debian";
-    sha256 = "1e45698b8553ad4b2e074f59f14c579194aa9b003f5c7b4a3d8704087954909b";
+    imageDigest = "sha256:1e45698b8553ad4b2e074f59f14c579194aa9b003f5c7b4a3d8704087954909b";
   };
 in
 dockerTools.buildImage {