diff --git a/requirements.dev.txt b/requirements.dev.txt
index 904e70f4a111789e309dae5b332e5b43bb765bb1..62a10098c8d8e6cde85e30dca0b9a06ae042d782 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -1,4 +1,4 @@
-flake8==3.7.6
+flake8==3.7.7
 Cython==0.29.5
 nose==1.3.7
 pylint==1.9.4