diff --git a/.forgejo/workflows/build.yaml b/.forgejo/workflows/build.yaml
index 67af278..d85ca19 100644
--- a/.forgejo/workflows/build.yaml
+++ b/.forgejo/workflows/build.yaml
@@ -66,5 +66,9 @@ jobs:
         uses: actions/checkout@v4
       - name: Set up Rust
         uses: https://github.com/dtolnay/rust-toolchain@stable
+      - name: Set up the Python toolchain
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.13"
       - name: Run Rust tests
         run: cargo test