diff --git a/docs/dev/lsp-extensions.md b/docs/dev/lsp-extensions.md
index 11eda94f5b..c157bab590 100644
--- a/docs/dev/lsp-extensions.md
+++ b/docs/dev/lsp-extensions.md
@@ -422,6 +422,16 @@ Returns internal status message, mostly for debugging purposes.
 
 Reloads project information (that is, re-executes `cargo metadata`).
 
+## Reload proc-macros
+
+**Method:** `rust-analyzer/reloadProcMacros`
+
+**Request:** `null`
+
+**Response:** `null`
+
+Rebuilds build scripts and proc-macros, and runs the build scripts to reseed the build data.
+
 ## Server Status
 
 **Experimental Client Capability:** `{ "serverStatusNotification": boolean }`
diff --git a/editors/code/package.json b/editors/code/package.json
index c5eb08748b..42cbc0e0d1 100644
--- a/editors/code/package.json
+++ b/editors/code/package.json
@@ -199,6 +199,11 @@
                 "title": "Reload workspace",
                 "category": "rust-analyzer"
             },
+            {
+                "command": "rust-analyzer.reloadProcMacros",
+                "title": "Reload proc macros and build scripts",
+                "category": "rust-analyzer"
+            },
             {
                 "command": "rust-analyzer.addProject",
                 "title": "Add current file's crate to workspace",