diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b6294a3..b563960 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,15 +18,15 @@ jobs:
       fail-fast: true
       matrix:
         os:
-          # - macos-13 # Intel
-          # - macos-14 # ARM
+          - macos-13 # Intel
+          - macos-14 # ARM
           - ubuntu-latest
         devShell:
           - ghc810
-          # - ghc90
-        # exclude:
-        #   - os: macos-14 # ARM
-        #     devShell: ghc810
+          - ghc90
+        exclude:
+          - os: macos-14 # ARM
+            devShell: ghc810
 
     runs-on: ${{ matrix.os }}
 
@@ -48,25 +48,21 @@ jobs:
           key: ${{ runner.os }}-${{ matrix.devShell }}-${{ hashFiles('*.cabal') }}
           restore-keys: ${{ runner.os }}-${{ matrix.devShell }}-
       - name: Install packages / Print versions
-        # run: ./bin/${{ matrix.devShell }} -c ghc --version && cabal --version
-        run: |
-          ./bin/${{ matrix.devShell }} -c which cabal
-          ./bin/${{ matrix.devShell }} -c cabal --version
-      # - name: Update package index
-      #   run: ./bin/${{ matrix.devShell }} -c cabal update
-      # - name: Enable tests
-      #   run: ./bin/${{ matrix.devShell }} -c cabal configure --enable-tests
-      # - name: Install project dependencies
-      #   run: ./bin/${{ matrix.devShell }} -c cabal build --only-dependencies
-      # - name: Compile project
-      #   run: ./bin/${{ matrix.devShell }} -c cabal build
-      # - name: Run tests
-      #   run: ./bin/${{ matrix.devShell }} -c cabal test
-      # - name: Check documentation
-      #   run: ./bin/${{ matrix.devShell }} -c ./script/haddock
+        run: ./bin/${{ matrix.devShell }} -c ghc --version && cabal --version
+      - name: Update package index
+        run: ./bin/${{ matrix.devShell }} -c cabal update
+      - name: Enable tests
+        run: ./bin/${{ matrix.devShell }} -c cabal configure --enable-tests
+      - name: Install project dependencies
+        run: ./bin/${{ matrix.devShell }} -c cabal build --only-dependencies
+      - name: Compile project
+        run: ./bin/${{ matrix.devShell }} -c cabal build
+      - name: Run tests
+        run: ./bin/${{ matrix.devShell }} -c cabal test
+      - name: Check documentation
+        run: ./bin/${{ matrix.devShell }} -c ./script/haddock
 
   docker:
-    if: false
     uses: ./.github/workflows/reusable-docker.yml
     with:
       push: false
diff --git a/shell.nix b/shell.nix
index 210495f..0f7220a 100644
--- a/shell.nix
+++ b/shell.nix
@@ -13,7 +13,7 @@ in
 pkgs.mkShell {
   buildInputs = [
     pkgs.haskellPackages.cabal-install
-    # pkgs.zsh
-    # supportedGhcVersions.${ghcVersion}
+    pkgs.zsh
+    supportedGhcVersions.${ghcVersion}
   ];
 }