diff --git a/libheif/mini.cc b/libheif/mini.cc
index df39e63cd6..5c008b8e7d 100644
--- a/libheif/mini.cc
+++ b/libheif/mini.cc
@@ -22,6 +22,7 @@
 
 #include <cmath>
 #include <cstddef>
+#include <memory>
 #include <string>
 #include <vector>
 
diff --git a/libheif/mini.h b/libheif/mini.h
index b1a219e8a4..ef676949bc 100644
--- a/libheif/mini.h
+++ b/libheif/mini.h
@@ -24,6 +24,7 @@
 #include "libheif/heif.h"
 #include "box.h"
 
+#include <memory>
 #include <string>
 #include <vector>