diff --git a/extra/ghcr-upload.sh b/extra/ghcr-upload.sh
index b8ddbdb..f070185 100755
--- a/extra/ghcr-upload.sh
+++ b/extra/ghcr-upload.sh
@@ -2,7 +2,7 @@
 #! nix-shell -i bash -p zstd -p oras -p jq
 set -euox pipefail
 
-SHELL_NIX_PATH=$(nix path-info ".#hydraJobs.${DEV_SHELL}" --accept-flake-config --json | jq -r 'keys[0]')
+SHELL_NIX_PATH=$(nix path-info ".#hydraJobs.${DEV_SHELL}" --accept-flake-config --no-update-lock-file --json | jq -r 'keys[0]')
 nix-store -r "$SHELL_NIX_PATH"
 #nix build ".#hydraJobs.${DEV_SHELL}" --show-trace --accept-flake-config
 nix-store --export $(nix-store -qR "$SHELL_NIX_PATH") | tee store-paths.txt | zstd -z8T8 >${DEV_SHELL}