diff --git a/dev-requirements.txt b/dev-requirements.txt
index ca9dd51d..56465019 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -2,6 +2,6 @@
 
 sphinx==1.6.6
 pytest==3.3.2
-pep8==1.7.0
+pep8==1.7.1
 pytest-catchlog==1.2.2
-pytest-timeout==1.2.0
+pytest-timeout==1.2.1