diff --git a/requirements-dev.txt b/requirements-dev.txt
index fc140a61e2c24b15b7ae8cf1f5f70e23d33de38f..bd1f939e356f507e277f7f7040f5f628e80c43ee 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
-sphinx==1.6
-sphinx-rtd-theme==0
-mock==2
-coverage==4
-pytest==3
-pytest-cov==2
-pytest-runner==3
+sphinx==1.6.*
+sphinx_rtd_theme==0.*
+mock==2.*
+coverage==4.*
+pytest==3.*
+pytest-cov==2.*
+pytest-runner>=2.*,<=3.*