diff --git a/requirements-py3.txt b/requirements-py3.txt
index 065095101..08ccf1958 100644
--- a/requirements-py3.txt
+++ b/requirements-py3.txt
@@ -3,5 +3,5 @@ lxml>=3.2.4
 pyOpenSSL>=0.13.1
 cssselect>=0.9
 queuelib>=1.1.1
-w3lib>=1.8.0
+w3lib>=1.14.2
 service_identity
diff --git a/setup.py b/setup.py
index 8387f81f4..000d84614 100644
--- a/setup.py
+++ b/setup.py
@@ -42,7 +42,7 @@ setup(
     ],
     install_requires=[
         'Twisted>=10.0.0',
-        'w3lib>=1.13.0',
+        'w3lib>=1.14.2',
         'queuelib',
         'lxml',
         'pyOpenSSL',