diff --git a/src/viam/sdk/resource/resource_manager.hpp b/src/viam/sdk/resource/resource_manager.hpp
index b4dbb0e5d..0d0c27ee8 100644
--- a/src/viam/sdk/resource/resource_manager.hpp
+++ b/src/viam/sdk/resource/resource_manager.hpp
@@ -4,6 +4,7 @@
 #pragma once
 
 #include <memory>
+#include <mutex>
 #include <string>
 #include <type_traits>
 #include <unordered_map>