diff --git a/core/config-toggles/src/main/assets/configs/excluded_blockchains_config.json b/core/config-toggles/src/main/assets/configs/excluded_blockchains_config.json
index e8089b25b3..f3fc207299 100644
--- a/core/config-toggles/src/main/assets/configs/excluded_blockchains_config.json
+++ b/core/config-toggles/src/main/assets/configs/excluded_blockchains_config.json
@@ -17,14 +17,14 @@
     },
     {
         "name": "sonic",
-        "version": "undefined"
+        "version": "5.21.0"
     },
     {
         "name": "apechain",
-        "version": "undefined"
+        "version": "5.21.0"
     },
     {
         "name": "alephium",
-        "version": "undefined"
+        "version": "5.21.0"
     }
 ]
\ No newline at end of file