diff --git a/tox.ini b/tox.ini
index 83945f9e8..6676915ee 100644
--- a/tox.ini
+++ b/tox.ini
@@ -90,7 +90,7 @@ commands = {envpython} -m pep257 scripts tests qutebrowser --ignore=D102,D103,D2
 setenv = LANG=en_US.UTF-8
 deps =
     -r{toxinidir}/requirements.txt
-    py==1.4.29
+    py==1.4.30
     pytest==2.7.2
     pyflakes==0.9.2
     pytest-flakes==1.0.0
@@ -101,7 +101,7 @@ commands =
 [testenv:pep8]
 deps =
     -r{toxinidir}/requirements.txt
-    py==1.4.29
+    py==1.4.30
     pytest==2.7.2
     pep8==1.6.2
     pytest-pep8==1.0.6
@@ -112,7 +112,7 @@ commands =
 [testenv:mccabe]
 deps =
     -r{toxinidir}/requirements.txt
-    py==1.4.29
+    py==1.4.30
     pytest==2.7.2
     mccabe==0.3.1
     pytest-mccabe==0.1