diff --git a/config/hosts/public-web-static/spaceapid.nix b/config/hosts/public-web-static/spaceapid.nix
index 13de76b..3f1f8fe 100644
--- a/config/hosts/public-web-static/spaceapid.nix
+++ b/config/hosts/public-web-static/spaceapid.nix
@@ -1,19 +1,20 @@
 { pkgs, ... }:
 
 let
-  spaceapidSrc = builtins.fetchGit {
+  version = "v0.1.0";
+  spaceapidSrc = pkgs.fetchgit {
     url = "https://git.hamburg.ccc.de/CCCHH/spaceapid.git";
-    ref = "main";
-    rev = "17753f535c68157e80f30f50deb488133cc98258";
+    rev = version;
+    hash = "sha256-2SDhliltzyydPPZdNn/htDydiK/SHQcYyG/dQ0EyFrY=";
   };
   spaceapid = pkgs.buildGoModule rec {
     pname = "spaceapid";
-    version = "main";
+    inherit version;
 
     src = spaceapidSrc;
 
     ldflags = [
-      "-X main.version=${version}-${spaceapidSrc.rev}"
+      "-X main.version=${version}"
     ];
 
     # Since spaceapid doesn't have any dependencies, we can set this to null and