diff --git a/repository/ekubo/metadata.json b/repository/ekubo/metadata.json
index a6b22ac..ed542e2 100644
--- a/repository/ekubo/metadata.json
+++ b/repository/ekubo/metadata.json
@@ -14,7 +14,7 @@
           "0x031e8a7ab6a6a556548ac85cbb8b5f56e8905696e9f13e9a858142b8ee0cc221"
         ],
         "mainnet-alpha": [
-          "0x00000005dd3D2F4429AF886cD1a3b08289DBcEa99A294197E9eB43b0e0325b4b"
+          "0x00000005dd3d2f4429af886cd1a3b08289dbcea99a294197e9eb43b0e0325b4b"
         ]
       }
     },
diff --git a/schemas/types.json b/schemas/types.json
index db48bfc..5188f63 100644
--- a/schemas/types.json
+++ b/schemas/types.json
@@ -26,14 +26,14 @@
                             "type": "array",
                             "items": {
                                 "type": "string",
-                                "pattern": "^0x[0-9a-fA-F]{1,64}$"
+                                "pattern": "^0x[0-9a-f]{1,64}$"
                             }
                         },
                         "goerli-alpha": {
                             "type": "array",
                             "items": {
                                 "type": "string",
-                                "pattern": "^0x[0-9a-fA-F]{1,64}$"
+                                "pattern": "^0x[0-9a-f]{1,64}$"
                             }
                         }
                     },