diff --git a/src/common/tvgArray.h b/src/common/tvgArray.h
index 3542b2ea..213618fc 100644
--- a/src/common/tvgArray.h
+++ b/src/common/tvgArray.h
@@ -25,6 +25,7 @@
 
 #include <memory.h>
 #include <cstdint>
+#include <cstdlib>
 
 namespace tvg
 {
diff --git a/src/loaders/lottie/tvgLottieBuilder.cpp b/src/loaders/lottie/tvgLottieBuilder.cpp
index d7eff3b9..b11ad666 100644
--- a/src/loaders/lottie/tvgLottieBuilder.cpp
+++ b/src/loaders/lottie/tvgLottieBuilder.cpp
@@ -20,6 +20,8 @@
  * SOFTWARE.
  */
 
+#include <cstring>
+
 #include "tvgCommon.h"
 #include "tvgPaint.h"
 #include "tvgShape.h"
@@ -1099,4 +1101,4 @@ void LottieBuilder::build(LottieComposition* comp)
     auto clip = Shape::gen();
     clip->appendRect(0, 0, static_cast<float>(comp->w), static_cast<float>(comp->h));
     comp->scene->composite(std::move(clip), CompositeMethod::ClipPath);
-}
\ No newline at end of file
+}
diff --git a/src/savers/gif/tvgGifSaver.cpp b/src/savers/gif/tvgGifSaver.cpp
index 7d99a998..3b684a94 100644
--- a/src/savers/gif/tvgGifSaver.cpp
+++ b/src/savers/gif/tvgGifSaver.cpp
@@ -20,6 +20,8 @@
  * SOFTWARE.
  */
 
+#include <cstring>
+
 #include "tvgGifEncoder.h"
 #include "tvgGifSaver.h"