diff --git a/tools/idf_size_yaml/esp32c6_data_info.yaml b/tools/idf_size_yaml/esp32c6_data_info.yaml
index 93b1978fa3..a454a6e063 100644
--- a/tools/idf_size_yaml/esp32c6_data_info.yaml
+++ b/tools/idf_size_yaml/esp32c6_data_info.yaml
@@ -8,10 +8,10 @@ DRAM:
   secondary_address: 0x40800000
 CACHE_I:
   primary_address: 0x42000000
-  length: 0x800000
+  length: 0x1000000
 CACHE_D:
   primary_address: 0x42000000
-  length: 0x800000
+  length: 0x1000000
 RTC_SLOW_D: # TODO: IDF-5667 Better to rename to LP_RAM
   primary_address: 0x50000000
   length: 0x4000