diff --git a/requirements.txt b/requirements.txt
index f2c61e42..17d62ad9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
-docker-compose
-pytest
-pytest-xdist
-pytest-cov
-testinfra
-tox
+docker-compose==1.23.2
+pytest==4.3.0
+pytest-xdist==1.26.1
+pytest-cov==2.6.1
+testinfra==1.19.0
+tox==3.7.0