diff --git a/requirements-dev.txt b/requirements-dev.txt
index 63f5bbd0..2fdfe0c1 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -28,7 +28,7 @@ py2exe==0.10.1.0; sys_platform == 'win32'
 # Testing
 pytest==6.2.1
 pytest-cov==2.10.1  # Pytest code coverage support
-coverage[toml]==5.3 # pytest-cov dep. This is here to ensure that it includes TOML support for pyproject.toml configs
+coverage[toml]==5.3.1 # pytest-cov dep. This is here to ensure that it includes TOML support for pyproject.toml configs
 
 
 # All of the normal requirements