diff --git a/misc/requirements/requirements-flake8.txt b/misc/requirements/requirements-flake8.txt
index bf7a02389..f73294005 100644
--- a/misc/requirements/requirements-flake8.txt
+++ b/misc/requirements/requirements-flake8.txt
@@ -1,6 +1,6 @@
 # This file is automatically generated by scripts/dev/recompile_requirements.py
 
-attrs==17.3.0
+attrs==17.4.0
 flake8==3.5.0
 flake8-bugbear==17.12.0
 flake8-builtins==1.0.post0
@@ -12,7 +12,7 @@ flake8-docstrings==1.1.0
 flake8-future-import==0.4.3
 flake8-mock==0.3
 flake8-per-file-ignores==0.4
-flake8-polyfill==1.0.1
+flake8-polyfill==1.0.2
 flake8-string-format==0.2.3
 flake8-tidy-imports==1.1.0
 flake8-tuple==0.2.13
diff --git a/misc/requirements/requirements-tests.txt b/misc/requirements/requirements-tests.txt
index d11af3bfc..42a5f2b7d 100644
--- a/misc/requirements/requirements-tests.txt
+++ b/misc/requirements/requirements-tests.txt
@@ -1,6 +1,6 @@
 # This file is automatically generated by scripts/dev/recompile_requirements.py
 
-attrs==17.3.0
+attrs==17.4.0
 beautifulsoup4==4.6.0
 cheroot==6.0.0
 click==6.7
@@ -36,4 +36,4 @@ pytest-xvfb==1.0.0
 PyVirtualDisplay==0.2.1
 six==1.11.0
 vulture==0.26
-Werkzeug==0.13
+Werkzeug==0.14.1
diff --git a/requirements.txt b/requirements.txt
index 8d95759b2..0d2652698 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # This file is automatically generated by scripts/dev/recompile_requirements.py
 
-attrs==17.3.0
+attrs==17.4.0
 colorama==0.3.9
 cssutils==1.0.2
 Jinja2==2.10