diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 7de3d8aa8..69e2cf114 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -21,9 +21,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v4
       - uses: DeterminateSystems/magic-nix-cache-action@main
-      - uses: taiki-e/install-action@cargo-hack
       - uses: Swatinem/rust-cache@v2
-      - uses: rui314/setup-mold@v1
       - run: nix develop --impure -c cargo hack --each-feature --all clippy -- -D warnings
 
   fmt:
@@ -66,8 +64,6 @@ jobs:
       - uses: DeterminateSystems/nix-installer-action@v4
       - uses: DeterminateSystems/magic-nix-cache-action@main
       - uses: Swatinem/rust-cache@v2
-      - uses: rui314/setup-mold@v1
-      - uses: taiki-e/install-action@nextest
       - run: nix develop --impure --command bash -c "unset LD_LIBRARY_PATH && cargo nextest run --all-features"
         env:
           DATABASE_URL: "postgres://postgres:postgres@localhost/test_db"
diff --git a/flake.nix b/flake.nix
index a3917d98c..e72077e12 100644
--- a/flake.nix
+++ b/flake.nix
@@ -118,6 +118,9 @@
         {
           formatter = pkgs.nixpkgs-fmt;
           packages = rec {
+            # Hack to make latest devenv work
+            devenv-up = self.devShells.${system}.default.config.procfileScript;
+
             default = main;
 
             cli = craneLib.buildPackage (commonArgs // rec {
@@ -163,6 +166,8 @@
                   packages = with pkgs; [
                     cargo-insta
                     diesel-cli
+                    cargo-nextest
+                    cargo-hack
                     rust-bin.stable.latest.default
                   ]
                   ++