diff --git a/compilesketches/tests/requirements.txt b/compilesketches/tests/requirements.txt
index d28ba481..674c0726 100644
--- a/compilesketches/tests/requirements.txt
+++ b/compilesketches/tests/requirements.txt
@@ -1,4 +1,4 @@
 --requirement ../requirements.txt
-coverage==6.3
+coverage==6.3.1
 pytest==6.2.5
 pytest-mock==3.7.0