diff --git a/.github/workflows/doc-check.yml b/.github/workflows/doc-check.yml
index 636acff7d7..471819cad6 100644
--- a/.github/workflows/doc-check.yml
+++ b/.github/workflows/doc-check.yml
@@ -32,7 +32,7 @@ jobs:
           python-version: '3.13'
 
       - name: Install Python dependencies
-        run: python -m pip install --user -r .github/build/python/requirements.txt
+        run: python -m pip install --user -r .github/build/python/requirements.txt --require-hashes
 
       - name: Install Doxygen
         run: sudo apt-get update && sudo apt-get install -y doxygen