diff --git a/tests/requirements.txt b/tests/requirements.txt
index 29d74db..046faf8 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,6 +1,6 @@
 attrs==19.1.0
 black==19.3b0
-coverage==4.5.3
+coverage==4.5.4
 Cython==0.29.13;sys_platform!='win32'
 flake8==3.7.8
 flake8-quotes==2.0.1