diff --git a/pkgs/fabric-server/generate-lock-nix.bash b/pkgs/fabric-server/generate-lock-nix.bash
index 8f62c7b..55846dd 100755
--- a/pkgs/fabric-server/generate-lock-nix.bash
+++ b/pkgs/fabric-server/generate-lock-nix.bash
@@ -1,6 +1,6 @@
 #!/usr/bin/env nix-shell
 #!nix-shell -i bash -p bash curl jq
-curl https://meta.fabricmc.net/v2/versions/loader/$1/$2/server/json \
+curl https://meta.fabricmc.net/v2/versions/loader/$1/0.13.3/server/json \
 | jq -r '
   .mainClass,
   (.libraries[]