--- a/tools/lint/python/flake8_requirements.txt
+++ b/tools/lint/python/flake8_requirements.txt
@@ -1,11 +1,11 @@
-flake8==3.3.0 \
-    --hash=sha256:83905eadba99f73fbfe966598aaf1682b3eb6755d2263c5b33a4e8367d60b0d1 \
-    --hash=sha256:b907a26dcf5580753d8f80f1be0ec1d5c45b719f7bac441120793d1a70b03f12
+flake8==3.5.0 \
+    --hash=sha256:c7841163e2b576d435799169b78703ad6ac1bbb0f199994fc05f700b2a90ea37 \
+    --hash=sha256:7253265f7abd8b313e3892944044a365e3f4ac3fcdcfb4298f55ee9ddf188ba0
 mccabe==0.6.1 \
     --hash=sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42 \
     --hash=sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f
 pyflakes==1.5.0 \
     --hash=sha256:cc5eadfb38041f8366128786b4ca12700ed05bbf1403d808e89d57d67a3875a7 \
     --hash=sha256:aa0d4dff45c0cc2214ba158d29280f8fa1129f3e87858ef825930845146337f4
 pycodestyle==2.3.1 \
     --hash=sha256:6c4245ade1edfad79c3446fadfc96b0de2759662dc29d07d80a6f27ad1ca6ba9 \