diff --git a/mode/clike/clike.js b/mode/clike/clike.js
index e9f441fc0a..cff4aa6a9d 100644
--- a/mode/clike/clike.js
+++ b/mode/clike/clike.js
@@ -519,9 +519,10 @@ CodeMirror.defineMode("clike", function(config, parserConfig) {
                     " unsafe using virtual void volatile while add alias ascending descending dynamic from get" +
                     " global group into join let orderby partial remove select set value var yield"),
     types: words("Action Boolean Byte Char DateTime DateTimeOffset Decimal Double Func" +
-                 " Guid Int16 Int32 Int64 Object SByte Single String Task TimeSpan UInt16 UInt32" +
-                 " UInt64 bool byte char decimal double short int long object"  +
-                 " sbyte float string ushort uint ulong"),
+                 " Guid Int16 Int32 Int64 Object SByte Single String Task ValueTask TimeSpan UInt16 UInt32" +
+                 " UInt64 bool byte char decimal double short int long object Span Memory ArraySegment IAsyncEnumerable"  +
+                 " sbyte float string ushort uint ulong Array List Dictionary IDisposable IAsyncDisposable " +
+                 " ICollection IList IEnumerable IDictionary Stream"),
     blockKeywords: words("catch class do else finally for foreach if struct switch try while"),
     defKeywords: words("class interface namespace record struct var"),
     typeFirstDefinitions: true,