diff --git a/.github/actions/install-examples/action.yml b/.github/actions/install-examples/action.yml
deleted file mode 100644
index 0289411e..00000000
--- a/.github/actions/install-examples/action.yml
+++ /dev/null
@@ -1,57 +0,0 @@
-name: install-examples
-
-inputs:
-  python-version:
-    description: Python version
-    required: false
-    default: '3.11'
-    type: string
-
-runs:
-  using: composite
-  steps:
-    - name: Install Concordia
-      id: install-concordia
-      uses: ./.github/actions/install-concordia
-      with:
-        python-version: ${{ inputs.python-version }}
-
-    - name: Restore Examples installation
-      id: restore
-      uses: actions/cache/restore@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9
-      with:
-        path: venv
-        key: install-examples-${{ steps.install-concordia.outputs.key }}-${{ hashFiles('examples/requirements.txt') }}
-
-    - name: Activate venv
-      shell: bash
-      run: |
-        echo "${PWD}/venv/bin" >> $GITHUB_PATH
-
-    - name: Install requirements for examples
-      if: steps.restore.outputs.cache-hit != 'true'
-      shell: bash
-      run: |
-        pip install -r examples/requirements.txt
-
-    - name: Show installation
-      shell: bash
-      run: |
-        which python
-        python --version
-        which pip
-        pip --version
-        which pylint
-        pylint --version
-        which pytest
-        pytest --version
-        which pytype
-        pytype --version
-        pip list
-
-    - name: Save Examples installation
-      if: steps.restore.outputs.cache-hit != 'true'
-      uses: actions/cache/save@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9
-      with:
-        path: venv
-        key: ${{ steps.restore.outputs.cache-primary-key }}
diff --git a/.github/actions/install-concordia/action.yml b/.github/actions/install/action.yml
similarity index 82%
rename from .github/actions/install-concordia/action.yml
rename to .github/actions/install/action.yml
index 229b1414..2f745596 100644
--- a/.github/actions/install-concordia/action.yml
+++ b/.github/actions/install/action.yml
@@ -1,4 +1,4 @@
-name: install-concordia
+name: install
 
 inputs:
   python-version:
@@ -34,14 +34,14 @@ runs:
         else
           exit 1
         fi
-        echo "key=${name}-${version}-py${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('setup.py') }}" >> $GITHUB_OUTPUT
+        echo "key=${name}-${version}-py${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('requirements.txt') }}" >> $GITHUB_OUTPUT
 
-    - name: Restore Concordia installation
+    - name: Restore installation
       id: restore
       uses: actions/cache/restore@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9
       with:
         path: venv
-        key: install-concordia-${{ steps.cache-key.outputs.key }}
+        key: install-${{ steps.cache-key.outputs.key }}
 
     - name: Create venv
       if: steps.restore.outputs.cache-hit != 'true'
@@ -54,11 +54,12 @@ runs:
       run: |
         echo "${PWD}/venv/bin" >> $GITHUB_PATH
 
-    - name: Install Concordia
+    - name: Install
       if: steps.restore.outputs.cache-hit != 'true'
       shell: bash
       run: |
-        pip install --editable .[dev]
+        pip install --require-virtualenv --require-hashes -r requirements.txt
+        pip install --require-virtualenv --no-deps --no-index --no-build-isolation --editable .
 
     - name: Show installation
       shell: bash
@@ -75,7 +76,7 @@ runs:
         pytype --version
         pip list
 
-    - name: Save Concordia installation
+    - name: Save installation
       if: steps.restore.outputs.cache-hit != 'true'
       uses: actions/cache/save@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9
       with:
diff --git a/.github/workflows/test-concordia.yml b/.github/workflows/test-concordia.yml
index 2b35030f..9c59bbcb 100644
--- a/.github/workflows/test-concordia.yml
+++ b/.github/workflows/test-concordia.yml
@@ -5,21 +5,23 @@ on:
     branches:
       - main
     paths:
-      - '.github/actions/install-concordia/action.yml'
+      - '.github/actions/install/action.yml'
       - '.github/workflows/test-concordia.yml'
       - '.pylintrc'
       - 'concordia/**'
       - 'pyproject.toml'
+      - 'requirements.txt'
       - 'setup.py'
   pull_request:
     branches:
       - main
     paths:
-      - '.github/actions/install-concordia/action.yml'
+      - '.github/actions/install/action.yml'
       - '.github/workflows/test-concordia.yml'
       - '.pylintrc'
       - 'concordia/**'
       - 'pyproject.toml'
+      - 'requirements.txt'
       - 'setup.py'
   workflow_dispatch:
 
@@ -38,7 +40,7 @@ jobs:
         uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
 
       - name: Install Concordia
-        uses: ./.github/actions/install-concordia
+        uses: ./.github/actions/install
 
       - name: Test Concordia
         run: pytest concordia
diff --git a/.github/workflows/test-examples.yml b/.github/workflows/test-examples.yml
index 02c43005..58ec4757 100644
--- a/.github/workflows/test-examples.yml
+++ b/.github/workflows/test-examples.yml
@@ -5,25 +5,25 @@ on:
     branches:
       - main
     paths:
-      - '.github/actions/install-examples/action.yml'
-      - '.github/actions/install-concordia/action.yml'
+      - '.github/actions/install/action.yml'
       - '.github/workflows/test-examples.yml'
       - '.pylintrc'
       - 'concordia/**'
       - 'examples/**'
       - 'pyproject.toml'
+      - 'requirements.txt'
       - 'setup.py'
   pull_request:
     branches:
       - main
     paths:
-      - '.github/actions/install-examples.yml'
-      - '.github/actions/install-concordia.yml'
+      - '.github/actions/install/action.yml'
       - '.github/workflows/test-examples.yml'
       - '.pylintrc'
       - 'concordia/**'
       - 'examples/**'
       - 'pyproject.toml'
+      - 'requirements.txt'
       - 'setup.py'
   workflow_dispatch:
 
@@ -42,8 +42,8 @@ jobs:
       - name: Checkout Concordia
         uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
 
-      - name: Install examples
-        uses: ./.github/actions/install-examples
+      - name: Install Concordia
+        uses: ./.github/actions/install
 
       - name: Test examples
         run: pytest examples