diff --git a/esphome/core/helpers.h b/esphome/core/helpers.h
index 7866eaa9bd..4212aeca98 100644
--- a/esphome/core/helpers.h
+++ b/esphome/core/helpers.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <cmath>
+#include <cstdint>
 #include <cstring>
 #include <functional>
 #include <limits>
diff --git a/esphome/core/string_ref.h b/esphome/core/string_ref.h
index f3dc3a38b0..c4320107e3 100644
--- a/esphome/core/string_ref.h
+++ b/esphome/core/string_ref.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cstdint>
 #include <cstring>
 #include <iterator>
 #include <memory>