diff --git a/ibc-testkit/src/testapp/ibc/clients/mock/client_state.rs b/ibc-testkit/src/testapp/ibc/clients/mock/client_state.rs
index 6bb841f0e..38df856a7 100644
--- a/ibc-testkit/src/testapp/ibc/clients/mock/client_state.rs
+++ b/ibc-testkit/src/testapp/ibc/clients/mock/client_state.rs
@@ -440,6 +440,7 @@ where
         ctx: &mut E,
         subject_client_id: &ClientId,
         substitute_client_state: Any,
+        substitute_consensus_state: Any,
     ) -> Result<(), ClientError> {
         let substitute_client_state = MockClientState::try_from(substitute_client_state)?;
 
@@ -453,6 +454,17 @@ where
         let host_timestamp = ctx.host_timestamp()?;
         let host_height = ctx.host_height()?;
 
+        let mock_consensus_state = MockConsensusState::try_from(substitute_consensus_state)?;
+
+        ctx.store_consensus_state(
+            ClientConsensusStatePath::new(
+                subject_client_id.clone(),
+                new_mock_client_state.latest_height().revision_number(),
+                new_mock_client_state.latest_height().revision_height(),
+            ),
+            mock_consensus_state.into(),
+        )?;
+
         ctx.store_client_state(
             ClientStatePath::new(subject_client_id.clone()),
             new_mock_client_state.into(),