diff --git a/CHANGES.md b/CHANGES.md
index ffa143a71e..dde0d94bce 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,11 @@
+## Version 11.6.0 (maybe)
+
+Grammars:
+
+- enh(swift) add SE-0335 existential `any` keyword (#3515) [Bradley Mackey][]
+
+[Bradley Mackey]: https://github.com/bradleymackey
+
 ## Version 11.5.0
 
 Themes:
diff --git a/src/languages/lib/kws_swift.js b/src/languages/lib/kws_swift.js
index be06394ba8..ff53f648a0 100644
--- a/src/languages/lib/kws_swift.js
+++ b/src/languages/lib/kws_swift.js
@@ -33,6 +33,7 @@ export const keywords = [
   // will result in additional modes being created to scan for those keywords to
   // avoid conflicts with other rules
   'actor',
+  'any', // contextual
   'associatedtype',
   'async',
   'await',
diff --git a/test/markup/swift/types.expect.txt b/test/markup/swift/types.expect.txt
index 4bd3695140..9e604fbdb1 100644
--- a/test/markup/swift/types.expect.txt
+++ b/test/markup/swift/types.expect.txt
@@ -33,6 +33,7 @@
 <span class="hljs-comment">// Functions</span>
 (<span class="hljs-keyword">@escaping</span> (<span class="hljs-type">String</span>) -&gt; <span class="hljs-type">Void</span>, <span class="hljs-keyword">@autoclosure</span> () -&gt; <span class="hljs-type">String</span>) -&gt; <span class="hljs-type">String</span>
 (<span class="hljs-type">Int</span>, <span class="hljs-type">String</span>...) -&gt; <span class="hljs-keyword">some</span> <span class="hljs-type">Collection</span>
+(<span class="hljs-type">Int</span>, <span class="hljs-type">String</span>...) -&gt; <span class="hljs-keyword">any</span> <span class="hljs-type">SomeProtocol</span>
 () <span class="hljs-keyword">throws</span> -&gt; <span class="hljs-keyword">Self</span>
 
 <span class="hljs-comment">// Generic arguments</span>
diff --git a/test/markup/swift/types.txt b/test/markup/swift/types.txt
index 89a27ea6a9..fb1c5aca0c 100644
--- a/test/markup/swift/types.txt
+++ b/test/markup/swift/types.txt
@@ -33,6 +33,7 @@ Swift.Array<Int>.Element
 // Functions
 (@escaping (String) -> Void, @autoclosure () -> String) -> String
 (Int, String...) -> some Collection
+(Int, String...) -> any SomeProtocol
 () throws -> Self
 
 // Generic arguments