diff --git a/.github/workflows/commit_compliance.yml b/.github/workflows/commit_compliance.yml
index ac14dbb27e..9d7736636a 100644
--- a/.github/workflows/commit_compliance.yml
+++ b/.github/workflows/commit_compliance.yml
@@ -3,9 +3,11 @@ on:
   pull_request:
 
 jobs:
-  format:
+  commit-compliance:
     runs-on: ubuntu-latest
     steps:
+      - name: Check commit signatures
+        uses: 1Password/check-signed-commits-action@ed2885f3ed2577a4f5d3c3fe895432a557d23d52
       - name: Check first line
         uses: gsactions/commit-message-checker@16fa2d5de096ae0d35626443bcd24f1e756cafee # v2.0.0
         with:
diff --git a/README.md b/README.md
index 5193409e49..5bf65c4579 100644
--- a/README.md
+++ b/README.md
@@ -138,7 +138,6 @@ assert result == add(2, 6)
 - [[Video tutorial] How To Get Started With Concrete - Zama's Fully Homomorphic Encryption Compiler](https://www.zama.ai/post/how-to-started-with-concrete-zama-fully-homomorphic-encryption-compiler)
 - [The Encrypted Game of Life in Python Using Concrete](https://www.zama.ai/post/the-encrypted-game-of-life-using-concrete-python)
 - [Encrypted Key-value Database Using Homomorphic Encryption](https://www.zama.ai/post/encrypted-key-value-database-using-homomorphic-encryption)
-- [SHA-256 Implementation Using Concrete](https://github.com/zama-ai/concrete/blob/main/frontends/concrete-python/examples/sha256/sha256.ipynb)
 
 *Explore more useful resources in [Concrete tutorials](https://docs.zama.ai/concrete/v/main-1/tutorials/see-all-tutorials) and [Awesome Zama repo](https://github.com/zama-ai/awesome-zama?tab=readme-ov-file#concrete). If you have built awesome projects using Concrete, please let us know and we will be happy to showcase them here!*