diff --git a/.github/workflows/build_docs.yml b/.github/workflows/build_docs.yml
index b5f51dd72..e16dd5387 100644
--- a/.github/workflows/build_docs.yml
+++ b/.github/workflows/build_docs.yml
@@ -42,7 +42,7 @@ jobs:
         with:
           submodules: true
 
-      - uses: extractions/setup-just@v3
+      - uses: extractions/setup-just@v4
         with:
           just-version: "1.40.0"
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 09302fd3f..b05f35b16 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -356,7 +356,7 @@ jobs:
       - uses: quantinuum/hugrverse-env/install-hugrenv-action@main
       - name: Install stable toolchain
         uses: dtolnay/rust-toolchain@stable
-      - uses: extractions/setup-just@v3
+      - uses: extractions/setup-just@v4
       - name: Generate the updated definitions
         run: just gen-extensions
       - name: Check if the declarations are up to date