diff --git a/pkg/analysis_server/doc/api.html b/pkg/analysis_server/doc/api.html
index 504713e..15e83c4 100644
--- a/pkg/analysis_server/doc/api.html
+++ b/pkg/analysis_server/doc/api.html
@@ -109,7 +109,7 @@
 <body>
 <h1>Analysis Server API Specification</h1>
 <h1 style="color:#999999">Version
-  1.21.0
+  1.21.1
 </h1>
 <p>
   This document contains a specification of the API provided by the
diff --git a/pkg/analysis_server/lib/src/analysis_server.dart b/pkg/analysis_server/lib/src/analysis_server.dart
index 715570c..0ef82e1 100644
--- a/pkg/analysis_server/lib/src/analysis_server.dart
+++ b/pkg/analysis_server/lib/src/analysis_server.dart
@@ -87,7 +87,7 @@
    * The version of the analysis server. The value should be replaced
    * automatically during the build.
    */
-  static final String VERSION = '1.20.5';
+  static final String VERSION = '1.21.1';
 
   /**
    * The options of this server instance.
diff --git a/pkg/analysis_server/tool/spec/spec_input.html b/pkg/analysis_server/tool/spec/spec_input.html
index c8f9864..8eced61 100644
--- a/pkg/analysis_server/tool/spec/spec_input.html
+++ b/pkg/analysis_server/tool/spec/spec_input.html
@@ -7,7 +7,7 @@
 <body>
 <h1>Analysis Server API Specification</h1>
 <h1 style="color:#999999">Version
-  <version>1.21.0</version>
+  <version>1.21.1</version>
 </h1>
 <p>
   This document contains a specification of the API provided by the