diff --git a/requirements_test.txt b/requirements_test.txt
index bd56c53..df62e77 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,6 +1,6 @@
 black==21.4b0
 codespell==2.0.0
-flake8==3.9.1
+flake8==3.9.2
 mypy==0.901
 pydocstyle==6.1.1
 cryptography==3.2