diff --git a/tests/requirements.txt b/tests/requirements.txt
index 9206761..3507676 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,4 +1,4 @@
-codecov==2.0.15
+codecov==2.0.16
 coverage==4.5.3
 cryptography==3.3.2
 flake8