diff --git a/.flake8 b/.flake8
index af9e54429..537dfeff0 100644
--- a/.flake8
+++ b/.flake8
@@ -30,6 +30,8 @@ exclude = .venv,.hypothesis,.git,__pycache__,resources.py
 # D211: No blank lines allowed before class docstring
 #       (PEP257 got changed, but let's stick to the old standard)
 # D402: First line should not be function's signature (false-positives)
+# D403: First word of the first line should be properly capitalized
+#       (false-positives)
 # H101: Use TODO(NAME)
 # H201: bare except
 # H238: Use new-stule classes
@@ -41,7 +43,7 @@ ignore =
     N802,
     L101,L102,L103,L201,L202,L203,L204,L207,L302,
     P101,P102,P103,
-    D102,D103,D104,D105,D209,D211,D402,
+    D102,D103,D104,D105,D209,D211,D402,D403,
     H101,H201,H238,H301,H306
 min-version = 3.4.0
 max-complexity = 12
diff --git a/misc/requirements/requirements-flake8.txt b/misc/requirements/requirements-flake8.txt
index 34f4b50d6..a0c21e1ed 100644
--- a/misc/requirements/requirements-flake8.txt
+++ b/misc/requirements/requirements-flake8.txt
@@ -1,11 +1,11 @@
 # This file is automatically generated by scripts/dev/recompile_requirements.py
 
 ebb-lint==0.4.4
-flake8==2.5.5
-flake8-copyright==0.1
+flake8==2.6.0
+flake8-copyright==0.1.1
 flake8-debugger==1.4.0
 flake8-deprecated==1.0
-flake8-docstrings==0.2.6
+flake8-docstrings==0.2.8
 flake8-future-import==0.4.1
 flake8-mock==0.2
 flake8-pep3101==0.3
@@ -21,6 +21,7 @@ pbr==1.10.0
 pep257==0.7.0  # still needed by flake8-docstrings but ignored
 pep8==1.7.0
 pep8-naming==0.3.3
+pycodestyle==2.0.0
 pydocstyle==1.0.0
 pyflakes==1.2.3
 pyparsing==2.1.5
diff --git a/misc/requirements/requirements-flake8.txt-raw b/misc/requirements/requirements-flake8.txt-raw
index 99b14382b..bc181bae3 100644
--- a/misc/requirements/requirements-flake8.txt-raw
+++ b/misc/requirements/requirements-flake8.txt-raw
@@ -16,6 +16,6 @@ pep8-naming
 pydocstyle
 pyflakes
 
-mccabe==0.5.0
+pep8==1.7.0
 
 #@ comment: pep257 still needed by flake8-docstrings but ignored