diff --git a/aos/linux_code/BUILD b/aos/linux_code/BUILD
index ce7b1b0..245acc6 100644
--- a/aos/linux_code/BUILD
+++ b/aos/linux_code/BUILD
@@ -22,6 +22,7 @@
   deps = [
     '//aos/common:once',
     '//aos/common:die',
+    '//external:libpthread',
   ],
 )
 
diff --git a/aos/linux_code/ipc_lib/BUILD b/aos/linux_code/ipc_lib/BUILD
index 83235ee..a8be135 100644
--- a/aos/linux_code/ipc_lib/BUILD
+++ b/aos/linux_code/ipc_lib/BUILD
@@ -55,6 +55,7 @@
     '//aos/linux_code/ipc_lib:mutex',
     ':core_lib',
     '//aos/common/logging:logging_interface',
+    '//external:librt',
   ],
 )