diff --git a/dev-requirements.txt b/dev-requirements.txt
index 45c6d0e3..ccd510e5 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,8 +1,8 @@
 -rrequirements.txt
 
 sphinx==1.2.3
-pytest==2.6.4
+pytest==2.8.2
 pep8==1.5.7
-pytest-timeout
-pytest-capturelog
-pytest-cov
+pytest-capturelog==0.7
+pytest-cov==2.2.0
+pytest-timeout==0.5