diff --git a/dev-requirements.txt b/dev-requirements.txt
index e4f52ec0..796e0824 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -2,7 +2,7 @@ pydantic_openapi_helper==0.2.7
 coverage==5.5
 coveralls==2.2.0
 pytest==6.2.4
-pytest-cov==2.12.0
+pytest-cov==2.12.1
 attrs~=21.2.0
 Sphinx==4.0.2
 sphinx-bootstrap-theme==0.7.1