diff --git a/requirements_test.txt b/requirements_test.txt
index a2b4ff2a0a5..aa3e2ca87b7 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -5,7 +5,7 @@ asynctest==0.13.0
 codecov==2.0.15
 coveralls==1.2.0
 flake8-docstrings==1.3.0
-flake8==3.7.7
+flake8==3.7.8
 mock-open==1.3.1
 mypy==0.711
 pydocstyle==3.0.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index f12e1052504..61b218be7b5 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -6,7 +6,7 @@ asynctest==0.13.0
 codecov==2.0.15
 coveralls==1.2.0
 flake8-docstrings==1.3.0
-flake8==3.7.7
+flake8==3.7.8
 mock-open==1.3.1
 mypy==0.711
 pydocstyle==3.0.0