diff --git a/profiler/src/ProfilerImpl.hh b/profiler/src/ProfilerImpl.hh
index 82d3ddad..874d11fc 100644
--- a/profiler/src/ProfilerImpl.hh
+++ b/profiler/src/ProfilerImpl.hh
@@ -19,6 +19,7 @@
 #define GZ_COMMON_PROFILERIMPL_HH_
 
 #include <string>
+#include <cstdint>
 
 namespace ignition
 {