diff --git a/target.json b/target.json
index 89d3ed6..bfca3c4 100644
--- a/target.json
+++ b/target.json
@@ -9,7 +9,7 @@
     }
   ],
   "inherits": {
-    "mbed-gcc": "https://git.mob-dev.fr/Schoumi/target-mbed-gcc.git#v0.1.3"
+    "mbed-gcc": "https://git.mob-dev.fr/Schoumi/target-mbed-gcc.git#v1.2.3"
   },
   "keywords": [
     "mbed-target:nrf51822",