diff --git a/test/unittest/BUILD.gn b/test/unittest/BUILD.gn
index ddf7126..d710653 100644
--- a/test/unittest/BUILD.gn
+++ b/test/unittest/BUILD.gn
@@ -37,5 +37,6 @@ ohos_unittest("coauth_UT_test") {
 
   external_deps = [
     "hiviewdfx_hilog_native:libhilog",
+    "ipc:ipc_core"
   ]
 }