diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 9ca533e0ad0afe213b017ce9067e2ff7e3ca41d4..c6c2374d921af5dfa8211ce6325dae29369f7c0b 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -43,6 +43,9 @@ edx-search<2.0.0
 # We expect v2.0.0 to introduce large breaking changes in the feature toggle API
 edx-toggles<2.0.0
 
+# We expect v4.0.0 to introduce breaking changes in the testing API
+edx-completion<4.0.0
+
 # Upgrading to 2.12.0 breaks several test classes due to API changes, need to update our code accordingly
 factory-boy==2.8.1