diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 006cb93..8d7bde3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,20 +29,39 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      # The default disk size of these runners is ~14GB
-      # Cleanup the disk, see upstream discussion https://github.com/actions/runner-images/issues/2840.
-      - name: Cleanup Disk Space
-        run: |
-          echo "Before removing files:"
-          df -h
-          sudo rm -rf /usr/share/dotnet
-          sudo rm -rf /opt/ghc
-          sudo rm -rf /opt
-          sudo rm -rf "/usr/local/share/boost"
-          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
-          echo "After removing files:"
-          df -h
+      # # The default disk size of these runners is ~14GB
+      # # Cleanup the disk, see upstream discussion https://github.com/actions/runner-images/issues/2840.
+      # - name: Cleanup Disk Space
+      #   run: |
+      #     echo "Before removing files:"
+      #     df -h
+      #     sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+      #     sudo rm -rf /opt
+      #     sudo rm -rf /usr/share/dotnet
+      #     sudo rm -rf /usr/local/{lib/android,share/boost}
+      #     sudo docker image prune --all --force
+      #     echo "After removing files:"
+      #     df -h
+      
+      - name: Maximize build space
+        uses: AdityaGarg8/remove-unwanted-software@v3
+        with:
+          remove-android: 'true'
+          remove-dotnet: 'true'
+          remove-haskell: 'true'
+          remove-codeql: 'true'
+          remove-docker-images: 'true'
+          remove-large-packages: 'true'
+          remove-cached-tools: 'true'
+          remove-swapfile: 'true'
 
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Build
+        run: |
+          echo "Free space:"
+          df -h
       - uses: actions/checkout@v4
 
       - uses: DeterminateSystems/nix-installer-action@main
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 59ee405..929d4e6 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -48,4 +48,4 @@ jobs:
 
       - name: Build
         run: |
-          cachix watch-exec daylin -- nix build '.#checks.x86_64-linux.packageCheck'
+          cachix watch-exec daylin -- nix build --accept-flake-config '.#checks.x86_64-linux.packageCheck'
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 955e620..1b381e2 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -14,6 +14,7 @@ jobs:
     secrets: inherit
 
   build:
+    needs: checks
     strategy:
       max-parallel: 1
       matrix:
diff --git a/lib/default.nix b/lib/default.nix
index b4b865b..44a2889 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -95,6 +95,9 @@ rec {
 
           inputs.roc.packages.${pkgs.system}.full
           inputs.roc.packages.${pkgs.system}.lang-server
+
+        inputs.zls.outputs.packages.${pkgs.system}.default
+        inputs.zig2nix.outputs.packages.${pkgs.system}.zig.master.bin
         ];
       };
     });