diff --git a/docs/user/generated_config.adoc b/docs/user/generated_config.adoc
index 1bfb8a917a8..8bc7dc7938f 100644
--- a/docs/user/generated_config.adoc
+++ b/docs/user/generated_config.adoc
@@ -219,6 +219,11 @@ with `self` prefixed to them when inside a method.
 --
 Whether to add parenthesis and argument snippets when completing function.
 --
+[[rust-analyzer.completion.limit]]rust-analyzer.completion.limit (default: `null`)::
++
+--
+Maximum number of completions to return. If `None`, the limit is infinite.
+--
 [[rust-analyzer.completion.postfix.enable]]rust-analyzer.completion.postfix.enable (default: `true`)::
 +
 --
diff --git a/editors/code/package.json b/editors/code/package.json
index 599e9c5a7bf..ead4c50f6e2 100644
--- a/editors/code/package.json
+++ b/editors/code/package.json
@@ -697,6 +697,15 @@
                         "Do no snippet completions for callables."
                     ]
                 },
+                "rust-analyzer.completion.limit": {
+                    "markdownDescription": "Maximum number of completions to return. If `None`, the limit is infinite.",
+                    "default": null,
+                    "type": [
+                        "null",
+                        "integer"
+                    ],
+                    "minimum": 0
+                },
                 "rust-analyzer.completion.postfix.enable": {
                     "markdownDescription": "Whether to show postfix snippets like `dbg`, `if`, `not`, etc.",
                     "default": true,