diff --git a/build-support/bin/ci.py b/build-support/bin/ci.py
index dda7ae9f9328..33acb0c98446 100755
--- a/build-support/bin/ci.py
+++ b/build-support/bin/ci.py
@@ -262,7 +262,7 @@ def _test_command(
     *, oauth_token_path: Optional[str] = None, extra_args: Optional[List[str]] = None
 ) -> List[str]:
     targets = ["build-support::", "src::", "tests::", "pants-plugins::"]
-    command = ["./pants.pex", "test", *targets]
+    command = ["./pants.pex", "test", "--use-coverage", *targets]
     if extra_args:
         command.extend(extra_args)
     if oauth_token_path: