diff --git a/requirements-dev.txt b/requirements-dev.txt
index 427e15b..9724224 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,5 @@
-pytest==2.5.2
+pytest==2.7.3
 mock==1.0.1
 flake8==2.1.0
 coverage==3.7.1
+pdbpp==0.8.3