diff --git a/demos/blog/requirements-dev.txt b/demos/blog/requirements-dev.txt
index 7db59c03..91f359db 100644
--- a/demos/blog/requirements-dev.txt
+++ b/demos/blog/requirements-dev.txt
@@ -1,4 +1,4 @@
 pyflakes
 pep8==1.7.0
-pytest
+pytest==3.0.2
 ipdb==0.10.1
diff --git a/requirements-dev.txt b/requirements-dev.txt
index e8e9d68b..0e0498b5 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@ docker-py==1.10.3
 flake8==3.0.4
 ipdb==0.10.1
 motor==0.6.2
-pytest
+pytest==3.0.2
 pytest-cov==2.3.1
 pytest-sugar==0.7.1
 python-dateutil==2.5.3