diff --git a/build/devices/esp32/targets/m5stack_core2/manifest.json b/build/devices/esp32/targets/m5stack_core2/manifest.json
index a71a43e543..9cd64024ae 100644
--- a/build/devices/esp32/targets/m5stack_core2/manifest.json
+++ b/build/devices/esp32/targets/m5stack_core2/manifest.json
@@ -1,7 +1,7 @@
 {
 	"build": {
 		"UPLOAD_SPEED": "1500000",
-		"DEBUGGER_SPEED": "1500000",
+		"DEBUGGER_SPEED": "921600",
 		"SDKCONFIGPATH": "./sdkconfig",
 		"PARTITIONS_FILE_FOR_TARGET": "./sdkconfig/partitions.csv"
 	},
diff --git a/examples/manifest_mod.json b/examples/manifest_mod.json
index 8893ec65ea..e82f4b9326 100644
--- a/examples/manifest_mod.json
+++ b/examples/manifest_mod.json
@@ -107,7 +107,7 @@
 		"esp32/m5stack_core2": {
 			"build": {
 				"UPLOAD_SPEED": "1500000",
-				"DEBUGGER_SPEED": "1500000"
+				"DEBUGGER_SPEED": "921600"
 			}
 		},
 		"esp32/m5stack_cores3": {