diff --git a/scala-native.nix b/scala-native.nix
index 9e004512..18b98b26 100644
--- a/scala-native.nix
+++ b/scala-native.nix
@@ -27,7 +27,7 @@ project.pkgs.stdenvNoCC.mkDerivation rec {
 
       dontStrip = true;
       outputHashAlgo = "sha256";
-      outputHash = "1k1wszyjvn20wp6873hzlri5i8pjqcj795asd0iy38sykc992lh5";
+      outputHash = "0mqvmr4kj4k5ckw8jhs3xyqxyxf8cafyprfjdy5y7q8gb6r2nv23";
       outputHashMode = "recursive";
 
       preHook = ''
@@ -52,6 +52,8 @@ project.pkgs.stdenvNoCC.mkDerivation rec {
       buildPhase = ''
         runHook preBuild
 
+        export SCALANATIVE_MODE=release-fast
+
         sbt --sbt-dir "$HOME/sbt" --ivy "$HOME/.ivy2" --batch publishLocal '++2.13.6' \
             auxlib/publishLocal \
             clib/publishLocal \