diff --git a/src/laybasic/laybasic/layDitherPattern.h b/src/laybasic/laybasic/layDitherPattern.h
index cb1bde7a8..58b2ff76b 100644
--- a/src/laybasic/laybasic/layDitherPattern.h
+++ b/src/laybasic/laybasic/layDitherPattern.h
@@ -39,6 +39,7 @@
 #include <vector>
 #include <string>
 #include <map>
+#include <memory>
 
 namespace lay
 {
diff --git a/src/laybasic/laybasic/layLineStyles.h b/src/laybasic/laybasic/layLineStyles.h
index 288e8f22a..23c705d29 100644
--- a/src/laybasic/laybasic/layLineStyles.h
+++ b/src/laybasic/laybasic/layLineStyles.h
@@ -39,6 +39,7 @@
 #include <vector>
 #include <string>
 #include <map>
+#include <memory>
 
 namespace lay
 {