diff --git a/.github/workflows/sphinx-books-tests.js.yml b/.github/workflows/sphinx-books-tests.js.yml
index 295805c22..974a383b1 100644
--- a/.github/workflows/sphinx-books-tests.js.yml
+++ b/.github/workflows/sphinx-books-tests.js.yml
@@ -61,7 +61,7 @@ jobs:
     - name: Install Python dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -r requirements.txt
+        pip install -r requirements_frozen.txt
     - name: Run Webpack production
       run: make cleanall webpack-production
     - name: Run SPHINX content tests
diff --git a/.github/workflows/sphinx-content-tests.js.yml b/.github/workflows/sphinx-content-tests.js.yml
index 2b9bff7f8..bf2917345 100644
--- a/.github/workflows/sphinx-content-tests.js.yml
+++ b/.github/workflows/sphinx-content-tests.js.yml
@@ -50,7 +50,7 @@ jobs:
     - name: Install Python dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -r requirements.txt
+        pip install -r requirements_frozen.txt
     - name: Run SPHINX engine tests
       run: make SPHINXOPTS="-W" test_engine
     - name: Build HTML content
diff --git a/.github/workflows/sphinx-plugin-tests.js.yml b/.github/workflows/sphinx-plugin-tests.js.yml
index 22f822ee6..83a00225d 100644
--- a/.github/workflows/sphinx-plugin-tests.js.yml
+++ b/.github/workflows/sphinx-plugin-tests.js.yml
@@ -43,6 +43,6 @@ jobs:
     - name: Install Python dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -r requirements.txt
+        pip install -r requirements_frozen.txt
     - name: Test Sphinx Widget Parser Plugin
       run: make test_parser
diff --git a/.github/workflows/typescript-tests.js.yml b/.github/workflows/typescript-tests.js.yml
index 87345f4c2..ac7ae3eb7 100644
--- a/.github/workflows/typescript-tests.js.yml
+++ b/.github/workflows/typescript-tests.js.yml
@@ -55,7 +55,7 @@ jobs:
     - name: Install Python dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -r requirements.txt
+        pip install -r requirements_frozen.txt
     - name: Build HTML test pages
       run: make site-testing
     - name: Run Typescript tests