diff --git a/requirements.txt b/requirements.txt
index f7a9a66..691e08a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,14 +1,13 @@
-flake8
-pexpect
-pylint
-pyyaml
+flake8==3.8.2
+pexpect==4.8.0
+pylint==2.5.2
 robotframework==3.1.2
-robotframework-kafkalibrary
-robotframework-lint
-robotframework-requests
-robotframework-sshlibrary
+robotframework-kafkalibrary==0.0.3
+robotframework-lint==1.0
+robotframework-requests==0.7.0
+robotframework-sshlibrary==3.4.0
 robotframework-timer==0.0.5
-yamllint
+yamllint==1.23.0
 # replace when we can use upstream (needs python 3.6)
 git+https://github.com/zdw/robotframework-importresource@b81b87aabaee0594e966687b41e3674b866f28ee
 cord-robot==2.1.1