diff --git a/dev-requirements.txt b/dev-requirements.txt
index c6d332ac..a82e4a2c 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -3,4 +3,4 @@
 sphinx==1.7.1
 pytest==4.0.0
 pep8==1.7.1
-pytest-timeout==1.2.1
+pytest-timeout==1.3.3