diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 7fb94dd340..0b45fda064 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -125,3 +125,6 @@ lxml<5.0
 
 # xmlsec==1.3.14 breaking tests for all builds, can be removed once a fix is available
 xmlsec<1.3.14
+
+# moto==5.0 contains breaking changes. Needs to be updated separately.
+moto<5.0
diff --git a/scripts/user_retirement/requirements/testing.in b/scripts/user_retirement/requirements/testing.in
index 49a4297b22..d20d3af589 100644
--- a/scripts/user_retirement/requirements/testing.in
+++ b/scripts/user_retirement/requirements/testing.in
@@ -1,6 +1,6 @@
 -r base.txt
 
-moto
+moto<5.0   # moto==5.0 contains breaking changes. needs to be fixed separately.
 pytest
 requests_mock
 responses