diff --git a/version b/.version
similarity index 100%
rename from version
rename to .version
diff --git a/release.nix b/release.nix
index 5c0027301..55808407e 100644
--- a/release.nix
+++ b/release.nix
@@ -18,7 +18,7 @@ let
 
       releaseTools.sourceTarball {
         name = "nix-tarball";
-        version = builtins.readFile ./version;
+        version = builtins.readFile ./.version;
         versionSuffix = if officialRelease then "" else "pre${toString nix.revCount}_${nix.shortRev}";
         src = nix;
         inherit officialRelease;