diff --git a/dev-requirements.txt b/dev-requirements.txt
index 2a882c4..975c5a4 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -3,4 +3,4 @@ mock==2.0.0
 nose==1.3.7
 nose-capturestderr==1.2
 nose-exclude==0.5.0
-testfixtures==4.12.0
+testfixtures==4.13.1