diff --git a/requirements/test.txt b/requirements/test.txt
index 16edc849037..ed8f2819826 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -1,6 +1,6 @@
 
 -r base.txt
-coverage==5.3.1
+coverage==5.5
 cryptography==3.3.1; platform_machine!="i686" and python_version<"3.9" # no 32-bit wheels; no python 3.9 wheels yet
 freezegun==1.1.0
 mypy==0.790; implementation_name=="cpython"