diff --git a/molecule-requirements.txt b/molecule-requirements.txt
index 0980f44c6..01a4b0df9 100644
--- a/molecule-requirements.txt
+++ b/molecule-requirements.txt
@@ -3,6 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 ansible-lint>=3.0.0,<6.0.0,!=4.3.0 # MIT
+ansible-compat<4 # MIT
 docker # Apache-2.0
 molecule<4.1.0 # MIT
 molecule-docker # MIT