diff --git a/api/include/opentelemetry/version.h b/api/include/opentelemetry/version.h
index 5fcde42541..2178591728 100644
--- a/api/include/opentelemetry/version.h
+++ b/api/include/opentelemetry/version.h
@@ -4,6 +4,7 @@
 #pragma once
 
 #include "opentelemetry/common/macros.h"
+#include "opentelemetry/detail/preprocessor.h"
 
 #define OPENTELEMETRY_ABI_VERSION_NO 1
 #define OPENTELEMETRY_VERSION "1.9.1"
diff --git a/sdk/include/opentelemetry/sdk/version/version.h b/sdk/include/opentelemetry/sdk/version/version.h
index 83cfce9cb3..1c9c285f90 100644
--- a/sdk/include/opentelemetry/sdk/version/version.h
+++ b/sdk/include/opentelemetry/sdk/version/version.h
@@ -3,6 +3,8 @@
 
 #pragma once
 
+#include "opentelemetry/detail/preprocessor.h"
+
 #define OPENTELEMETRY_SDK_VERSION "1.9.1"
 
 #include "opentelemetry/version.h"