diff --git a/.flake8 b/.flake8
index 340132d49..5b0360ab7 100644
--- a/.flake8
+++ b/.flake8
@@ -44,11 +44,11 @@ ignore =
 min-version = 3.4.0
 max-complexity = 12
 per-file-ignores =
-    tests/*/test_*.py : D100,D101,D401
-    tests/unit/browser/test_history.py : N806
-    tests/helpers/fixtures.py : N806
-    tests/unit/browser/webkit/http/test_content_disposition.py : D400
-    scripts/dev/ci/appveyor_install.py : FI53
+    /tests/*/test_*.py : D100,D101,D401
+    /tests/unit/browser/test_history.py : N806
+    /tests/helpers/fixtures.py : N806
+    /tests/unit/browser/webkit/http/test_content_disposition.py : D400
+    /scripts/dev/ci/appveyor_install.py : FI53
 copyright-check = True
 copyright-regexp = # Copyright [\d-]+ .*
 copyright-min-file-size = 110
diff --git a/misc/requirements/requirements-flake8.txt b/misc/requirements/requirements-flake8.txt
index eb81fc37b..f467fa474 100644
--- a/misc/requirements/requirements-flake8.txt
+++ b/misc/requirements/requirements-flake8.txt
@@ -11,7 +11,7 @@ flake8-deprecated==1.3
 flake8-docstrings==1.3.0
 flake8-future-import==0.4.4
 flake8-mock==0.3
-flake8-per-file-ignores==0.4
+flake8-per-file-ignores==0.5
 flake8-polyfill==1.0.2
 flake8-string-format==0.2.3
 flake8-tidy-imports==1.1.0