diff --git a/ggml/src/ggml-opt.cpp b/ggml/src/ggml-opt.cpp
index 808aa0d0..040205a3 100644
--- a/ggml/src/ggml-opt.cpp
+++ b/ggml/src/ggml-opt.cpp
@@ -8,7 +8,7 @@
 #include <algorithm>
 #include <cmath>
 #include <cstdint>
-#include <inttypes.h>
+#include <cinttypes>
 #include <map>
 #include <random>
 #include <vector>
diff --git a/tests/test-opt.cpp b/tests/test-opt.cpp
index 4abe85c7..f90c92b4 100644
--- a/tests/test-opt.cpp
+++ b/tests/test-opt.cpp
@@ -5,7 +5,7 @@
 #include "ggml-opt.h"
 
 #include <cmath>
-#include <inttypes.h>
+#include <cinttypes>
 #include <random>
 #include <string>
 #include <thread>
diff --git a/tests/test-quantize-perf.cpp b/tests/test-quantize-perf.cpp
index ac0d1271..28828849 100644
--- a/tests/test-quantize-perf.cpp
+++ b/tests/test-quantize-perf.cpp
@@ -7,7 +7,6 @@
 #include <algorithm>
 #include <assert.h>
 #include <functional>
-#include <inttypes.h>
 #include <math.h>
 #include <memory>
 #include <stdio.h>