diff --git a/.github/workflows/build_site/action.yml b/.github/workflows/build_site/action.yml
new file mode 100644
index 00000000..d5837099
--- /dev/null
+++ b/.github/workflows/build_site/action.yml
@@ -0,0 +1,35 @@
+name: Build the site
+description: Build the site using nanoc
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+    - name: Checkout submodule
+      shell: bash
+      run: git submodule update --init --recursive --remote
+    - name: Cache install Nix packages
+      uses: rikhuijzer/cache-install@c90964bcac3286c8571cb849f7caffb9e8b9cb37
+      with:
+        key: nix-${{ hashFiles('packages.nix', 'gemset.nix') }}
+        nix_file: 'packages.nix'
+    - name: Cache Output
+      id: cache-output
+      uses: actions/cache@v4
+      with:
+        path: |
+          ./tmp/
+          ./output/
+        key: build-${{ github.ref_name }}
+        restore-keys: |
+          build-master
+    - name: Set environment variable
+      shell: bash
+      run: "export LANG=en_US.UTF-8"
+    - name: Build site
+      shell: bash
+      run: "bundle exec nanoc --env=prod"
+    - name: Run checks
+      shell: bash
+      run: "bundle exec nanoc --env=prod check --deploy"
\ No newline at end of file
diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 30ac9b0e..fc9e3182 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -22,31 +22,7 @@ jobs:
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-      - name: Checkout submodule
-        run: git submodule update --init --recursive --remote
-      - name: Cache install Nix packages
-        uses: rikhuijzer/cache-install@c90964bcac3286c8571cb849f7caffb9e8b9cb37
-        with:
-          key: nix-${{ hashFiles('packages.nix', 'gemset.nix') }}
-          nix_file: 'packages.nix'
-      - name: Cache Output
-        id: cache-output
-        uses: actions/cache@v4
-        with:
-          path: |
-            ./tmp/
-            ./output/
-          key: build-${{ github.ref_name }}
-          restore-keys: |
-            build-master
-      - name: Set environment variable
-        run: "export LANG=en_US.UTF-8"
-      - name: Build site
-        run: "bundle exec nanoc --env=prod"
-      - name: Run checks
-        run: "bundle exec nanoc --env=prod check --deploy"
+      - uses: ./.github/actions/build_site
       - name: Add private key
         shell: bash
         env:
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index a40e8777..ac450b93 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -20,31 +20,7 @@ jobs:
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-      - name: Checkout submodule
-        run: git submodule update --init --recursive --remote
-      - name: Cache install Nix packages
-        uses: rikhuijzer/cache-install@c90964bcac3286c8571cb849f7caffb9e8b9cb37
-        with:
-          key: nix-${{ hashFiles('packages.nix', 'gemset.nix') }}
-          nix_file: 'packages.nix'
-      - name: Cache Output
-        id: cache-output
-        uses: actions/cache@v4
-        with:
-          path: |
-            ./tmp/
-            ./output/
-          key: build-${{ github.ref_name }}
-          restore-keys: |
-            build-master
-      - name: Set environment variable
-        run: "export LANG=en_US.UTF-8"
-      - name: Build site
-        run: "bundle exec nanoc --env=prod"
-      - name: Run checks
-        run: "bundle exec nanoc --env=prod check --deploy"
+      - uses: ./.github/actions/build_site
       - name: Add private key
         shell: bash
         env: