diff --git a/include/gradido_blockchain/interaction/deserialize/TimestampRole.h b/include/gradido_blockchain/interaction/deserialize/TimestampRole.h
index fdfa2861..9b921c7c 100644
--- a/include/gradido_blockchain/interaction/deserialize/TimestampRole.h
+++ b/include/gradido_blockchain/interaction/deserialize/TimestampRole.h
@@ -4,6 +4,8 @@
 #include "Protopuf.h"
 #include "gradido_blockchain/data/Timestamp.h"
 
+#include <memory>
+
 namespace gradido {
     namespace interaction {
         namespace deserialize {
diff --git a/include/gradido_blockchain/interaction/deserialize/TimestampSecondsRole.h b/include/gradido_blockchain/interaction/deserialize/TimestampSecondsRole.h
index 71558f39..c8f12fdf 100644
--- a/include/gradido_blockchain/interaction/deserialize/TimestampSecondsRole.h
+++ b/include/gradido_blockchain/interaction/deserialize/TimestampSecondsRole.h
@@ -4,6 +4,8 @@
 #include "Protopuf.h"
 #include "gradido_blockchain/data/TimestampSeconds.h"
 
+#include <memory>
+
 namespace gradido {
     namespace interaction {
         namespace deserialize {