diff --git a/ngraph/python/requirements_test.txt b/ngraph/python/requirements_test.txt
index 16d93ebbeea19a..42b19715f4978f 100644
--- a/ngraph/python/requirements_test.txt
+++ b/ngraph/python/requirements_test.txt
@@ -1,6 +1,6 @@
 flake8==3.9.0
 flake8-comprehensions==3.3.0
-flake8-docstrings==1.5.0
+flake8-docstrings==1.6.0
 flake8-quotes==3.2.0
 onnx==1.8.1
 pydocstyle==5.1.1