diff --git a/dbs-map-api/include/dbs-map-api/CommonTypes.h b/dbs-map-api/include/dbs-map-api/CommonTypes.h
index 2746125..c5f4cd9 100644
--- a/dbs-map-api/include/dbs-map-api/CommonTypes.h
+++ b/dbs-map-api/include/dbs-map-api/CommonTypes.h
@@ -14,6 +14,7 @@
 #include <string>
 #include <memory>
 #include <vector>
+#include <cstdint>
 
 namespace dbs_map
 {
diff --git a/dbs-map-api/include/dbs-map-api/download/model/Layer.h b/dbs-map-api/include/dbs-map-api/download/model/Layer.h
index 112138b..88e8c06 100644
--- a/dbs-map-api/include/dbs-map-api/download/model/Layer.h
+++ b/dbs-map-api/include/dbs-map-api/download/model/Layer.h
@@ -6,6 +6,7 @@
 #pragma once
 #include <vector>
 #include <string>
+#include <cstdint>
 
 namespace dbs_map
 {
diff --git a/externals/here-olp-sdk b/externals/here-olp-sdk
index 939c55a..e2b4c85 160000
--- a/externals/here-olp-sdk
+++ b/externals/here-olp-sdk
@@ -1 +1 @@
-Subproject commit 939c55a7bb1197986b9a37b126659af94f961cef
+Subproject commit e2b4c85be8957da00c4e46c2a80d0fb4ac2714b8