diff --git a/esphome/components/api/api_pb2_dump.cpp b/esphome/components/api/api_pb2_dump.cpp
index c47d95ed5d..69143f50f8 100644
--- a/esphome/components/api/api_pb2_dump.cpp
+++ b/esphome/components/api/api_pb2_dump.cpp
@@ -913,7 +913,7 @@ void ListEntitiesLightResponse::dump_to(std::string &out) const {
   dump_field(out, "object_id", this->object_id_ref_);
   dump_field(out, "key", this->key);
   dump_field(out, "name", this->name_ref_);
-  char buffer[32];
+  char buffer[64];
   snprintf(buffer, sizeof(buffer), "  supported_color_modes: 0x%08" PRIX32 "\n", this->supported_color_modes);
   out.append(buffer);
   dump_field(out, "min_mireds", this->min_mireds);
diff --git a/script/api_protobuf/api_protobuf.py b/script/api_protobuf/api_protobuf.py
index 8a841354a9..2fe6d01024 100755
--- a/script/api_protobuf/api_protobuf.py
+++ b/script/api_protobuf/api_protobuf.py
@@ -1564,7 +1564,7 @@ class RepeatedTypeInfo(TypeInfo):
         if self._use_bitmask:
             # For bitmask fields, dump the hex value of the bitmask
             return (
-                f"char buffer[32];\n"
+                f"char buffer[64];\n"
                 f'snprintf(buffer, sizeof(buffer), "  {self.field_name}: 0x%08" PRIX32 "\\n", this->{self.field_name});\n'
                 f"out.append(buffer);"
             )