diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b01f76bdf..93a87cd13 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -111,7 +111,7 @@ jobs:
       - name: Run crate tests
         run: |
             cargo test --no-default-features --features no-boards -p riot-rs -p riot-rs-embassy -p riot-rs-threads -p riot-rs-macros
-            cargo test -p rbi -p ringbuffer
+            cargo test -p rbi -p ringbuffer -p coapcore
 
   lint:
     runs-on: ubuntu-latest