diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 89fdf5b..dfef200 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,10 +33,18 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v1
 
+    - name: "Cache dependencies installed with composer"
+      uses: actions/cache@v1
+      with:
+        path: ~/.composer/cache
+        key: php${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.json') }}
+        restore-keys: |
+          php${{ matrix.php-version }}-composer-
+
     - name: Install Composer dependencies
       run: composer install --no-progress
 
-    - name: Run PHP lint
+    - name: Run TypoScript lint
       run: composer ci:ts:lint
 
   php-code-sniffer:
@@ -48,6 +56,14 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v1
 
+    - name: "Cache dependencies installed with composer"
+      uses: actions/cache@v1
+      with:
+        path: ~/.composer/cache
+        key: php${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.json') }}
+        restore-keys: |
+          php${{ matrix.php-version }}-composer-
+
     - name: Install Composer dependencies
       run: composer install --no-progress
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 176e54f..45e502d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## x.y.z
 
 ### Added
+- Cache Composer dependencies in build (#31)
 - Add a status badge for GitHub actions (#32)
 - Composer script for PHP code sniffer fixing (#21)
 - Run the functional tests in parallel