diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e8d69f8e..0d02e1e3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -266,7 +266,7 @@ coverage:
     # csound-sys only looks at /usr/lib and /usr/local top levels
     CSOUND_LIB_DIR: '/usr/lib/x86_64-linux-gnu/'
   script:
-    - cargo test --locked --color=always --all-features
+    - cargo test --locked --color=always --all --all-features
     # generate html report
     - grcov . --binary-path ./target/debug/ -s . -t html --branch --ignore-not-existing --ignore "*target*" --ignore "*/build.rs" -o ./coverage/
     # generate cobertura report for gitlab integration