diff --git a/common/tools/cointool.py b/common/tools/cointool.py
index 40a89baa01..b3358aa73a 100755
--- a/common/tools/cointool.py
+++ b/common/tools/cointool.py
@@ -22,7 +22,7 @@ DEFINITIONS_TIMESTAMP_PATH = (
     coin_info.DEFS_DIR / "ethereum" / "released-definitions-timestamp.txt"
 )
 DEFINITIONS_LATEST_URL = (
-    "https://raw.githubusercontent.com/trezor/definitions/main/definitions-latest.json"
+    "https://raw.githubusercontent.com/trezor/definitions/signed/definitions-latest.json"
 )
 
 HERE = Path(__file__).parent.resolve()