diff --git a/.forgejo/workflows/build.yaml b/.forgejo/workflows/build.yaml
index 93635a9..c68e990 100644
--- a/.forgejo/workflows/build.yaml
+++ b/.forgejo/workflows/build.yaml
@@ -51,4 +51,6 @@ jobs:
       - name: Set up Rust
         uses: https://github.com/dtolnay/rust-toolchain@stable
       - name: Build Rust code
-        run: maturin develop
+        run: |
+          source venv/bin/activate
+          maturin develop