diff --git a/.forgejo/workflows/push.yaml b/.forgejo/workflows/push.yaml
index 90854c3..b12acc7 100644
--- a/.forgejo/workflows/push.yaml
+++ b/.forgejo/workflows/push.yaml
@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: https://forgejo.skynet.ie/eoghanconlon73/actions/docker_nix@eoghan_testV3
         with:
-          nix_version: nixos-unstable
+          nix_version: 2.23
       # get the repo first
       - uses: https://code.forgejo.org/actions/checkout@v4
       # Make sure all files are pulled down