diff --git a/package.json b/package.json
index 13559f4..037ce77 100644
--- a/package.json
+++ b/package.json
@@ -300,6 +300,11 @@
                 },
                 "default": []
               },
+              "definitionPath": {
+                "type": "string",
+                "description": "Setting for 'PERIPHERALS' window provided by 'eclipse-cdt.peripheral-inspector'. It can be a simple file name or based on a CMSIS pack or deviceName. See 'eclipse-cdt.peripheral-inspector' for format",
+                "default": null
+              },
               "imageAndSymbols": {
                 "type": "object",
                 "default": {},
@@ -541,6 +546,11 @@
                 },
                 "default": []
               },
+              "definitionPath": {
+                "type": "string",
+                "description": "Setting for 'PERIPHERALS' window provided by 'eclipse-cdt.peripheral-inspector'. It can be a simple file name or based on a CMSIS pack or deviceName. See 'eclipse-cdt.peripheral-inspector' for format",
+                "default": null
+              },
               "imageAndSymbols": {
                 "type": "object",
                 "default": {},