diff --git a/backend/mpc-system/tests/e2e/keygen_flow_test.go b/backend/mpc-system/tests/e2e/keygen_flow_test.go
index 9d17486b..4a6939bb 100644
--- a/backend/mpc-system/tests/e2e/keygen_flow_test.go
+++ b/backend/mpc-system/tests/e2e/keygen_flow_test.go
@@ -166,9 +166,11 @@ func (s *KeygenFlowTestSuite) TestCompleteKeygenFlow() {
 	statusResp = s.getSessionStatus(sessionID)
 	assert.Equal(s.T(), "in_progress", statusResp.Status)
 
-	// Step 9: Report completion (simulate keygen completion)
+	// Step 9: Report completion for all participants (simulate keygen completion)
 	publicKey := []byte("test-group-public-key-from-keygen")
 	s.reportCompletion(sessionID, "party_user_device", publicKey)
+	s.reportCompletion(sessionID, "party_server", publicKey)
+	s.reportCompletion(sessionID, "party_recovery", publicKey)
 
 	// Step 10: Verify session is completed
 	statusResp = s.getSessionStatus(sessionID)