diff --git a/data/registers/syscfg_h7.json b/data/registers/syscfg_h7.json
index e32ee35..726f206 100644
--- a/data/registers/syscfg_h7.json
+++ b/data/registers/syscfg_h7.json
@@ -159,6 +159,13 @@
         "byte_offset": 836,
         "access": "Read",
         "fieldset": "UR17"
+      },
+      {
+        "name": "UR18",
+        "description": "SYSCFG user register 18",
+        "byte_offset": 840,
+        "access": "Read",
+        "fieldset": "UR18"
       }
     ]
   },
@@ -475,6 +482,17 @@
       }
     ]
   },
+  "fieldset/UR18": {
+    "description": "SYSCFG user register 18",
+    "fields": [
+      {
+        "name": "CPU_FREQ_BOOST",
+        "description": "CPU maximum frequency boost enable",
+        "bit_offset": 0,
+        "bit_size": 1
+      }
+    ]
+  },
   "fieldset/UR2": {
     "description": "SYSCFG user register 2",
     "fields": [