--- a/tools/lint/flake8_/flake8_requirements.txt
+++ b/tools/lint/flake8_/flake8_requirements.txt
@@ -1,4 +1,19 @@
-flake8==2.5.4 --hash=sha256:fb5a67af4024622287a76abf6b7fe4fb3cfacf765a790976ce64f52c44c88e4a
-mccabe==0.4.0 --hash=sha256:cbc2938f6c01061bc6d21d0c838c2489664755cb18676f0734d7617f4577d09e
-pep8==1.7.0 --hash=sha256:4fc2e478addcf17016657dff30b2d8d611e8341fac19ccf2768802f6635d7b8a
-pyflakes==1.2.3 --hash=sha256:e87bac26c62ea5b45067cc89e4a12f56e1483f1f2cda17e7c9b375b9fd2f40da
+flake8==3.3.0 \
+    --hash=sha256:83905eadba99f73fbfe966598aaf1682b3eb6755d2263c5b33a4e8367d60b0d1 \
+    --hash=sha256:b907a26dcf5580753d8f80f1be0ec1d5c45b719f7bac441120793d1a70b03f12
+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 \
+    --hash=sha256:682256a5b318149ca0d2a9185d365d8864a768a28db66a84a2ea946bcc426766
+enum34==1.1.6 \
+    --hash=sha256:6bd0f6ad48ec2aa117d3d141940d484deccda84d4fcd884f5c3d93c23ecd8c79 \
+    --hash=sha256:644837f692e5f550741432dd3f223bbb9852018674981b1664e5dc339387588a \
+    --hash=sha256:8ad8c4783bf61ded74527bffb48ed9b54166685e4230386a9ed9b1279e2df5b1 \
+    --hash=sha256:2d81cbbe0e73112bdfe6ef8576f2238f2ba27dd0d55752a776c41d38b7da2850
+configparser==3.5.0 \
+    --hash=sha256:5308b47021bc2340965c371f0f058cc6971a04502638d4244225c49d80db273a