diff --git a/crates/rust-analyzer/src/config.rs b/crates/rust-analyzer/src/config.rs
index 8f02082f3e7..6c098333683 100644
--- a/crates/rust-analyzer/src/config.rs
+++ b/crates/rust-analyzer/src/config.rs
@@ -143,7 +143,7 @@ config_data! {
         diagnostics_warningsAsInfo: Vec<String> = "[]",
 
         /// Expand attribute macros.
-        experimental_procAttrMacros: bool = "false",
+        experimental_procAttrMacros: bool = "true",
 
         /// Controls file watching implementation.
         files_watcher: String = "\"client\"",
diff --git a/docs/user/generated_config.adoc b/docs/user/generated_config.adoc
index 5e7b7222262..768216fed95 100644
--- a/docs/user/generated_config.adoc
+++ b/docs/user/generated_config.adoc
@@ -191,7 +191,7 @@ List of warnings that should be displayed with info severity.
 The warnings will be indicated by a blue squiggly underline in code
 and a blue icon in the `Problems Panel`.
 --
-[[rust-analyzer.experimental.procAttrMacros]]rust-analyzer.experimental.procAttrMacros (default: `false`)::
+[[rust-analyzer.experimental.procAttrMacros]]rust-analyzer.experimental.procAttrMacros (default: `true`)::
 +
 --
 Expand attribute macros.
diff --git a/editors/code/package.json b/editors/code/package.json
index 541293ff121..a9593024d45 100644
--- a/editors/code/package.json
+++ b/editors/code/package.json
@@ -641,7 +641,7 @@
                 },
                 "rust-analyzer.experimental.procAttrMacros": {
                     "markdownDescription": "Expand attribute macros.",
-                    "default": false,
+                    "default": true,
                     "type": "boolean"
                 },
                 "rust-analyzer.files.watcher": {