diff --git a/CHANGELOG.md b/CHANGELOG.md
index a6c51e0f1..a87113685 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,16 @@
 - Debug from .csproj and .sln [#5876](https://github.com/dotnet/vscode-csharp/issues/5876)
 
 # 2.142.x
+* Update Roslyn to 5.8.0-1.26262.9 (PR: [#9293](https://github.com/dotnet/vscode-csharp/pull/9293))
+  * Fix doc comment autocomplete corrupting declarations with existing /// (PR: [#83648](https://github.com/dotnet/roslyn/pull/83648))
+  * Throw content modified for stale code action resolve request (PR: [#83612](https://github.com/dotnet/roslyn/pull/83612))
+* Update Razor to 10.4.0-preview.26262.9 (PR: [#9293](https://github.com/dotnet/vscode-csharp/pull/9293))
+  * Don't crash lowering a generic component type argument with mixed literal/expression content (PR: [#83645](https://github.com/dotnet/roslyn/pull/83645))
+  * Avoid _ collision in bind-*:after property accessor (PR: [#83572](https://github.com/dotnet/roslyn/pull/83572))
+  * Fix ArgumentOutOfRangeException when orphan end tag follows HTML text (PR: [#83574](https://github.com/dotnet/roslyn/pull/83574))
+  * Fix formatting of multiline expressions in attributes (PR: [#83566](https://github.com/dotnet/roslyn/pull/83566))
+  * Implement call hierarchy LSP methods in Razor (PR: [#83548](https://github.com/dotnet/roslyn/pull/83548))
+  * Add prepareRename support to Razor (PR: [#83599](https://github.com/dotnet/roslyn/pull/83599))
 * Update Roslyn to 5.8.0-1.26256.6 (PR: [#9291](https://github.com/dotnet/vscode-csharp/pull/9291))
   * Allow LSP character position to go beyond line length (PR: [#83595](https://github.com/dotnet/roslyn/pull/83595))
   * Fix leaked event handlers in AbstractRefreshQueue and ProjectSystemProject (PR: [#83561](https://github.com/dotnet/roslyn/pull/83561))
diff --git a/package.json b/package.json
index cc78b486c..470926517 100644
--- a/package.json
+++ b/package.json
@@ -40,9 +40,9 @@
     "workspace"
   ],
   "defaults": {
-    "roslyn": "5.8.0-1.26256.6",
+    "roslyn": "5.8.0-1.26262.9",
     "omniSharp": "1.39.14",
-    "razor": "10.4.0-preview.26256.6",
+    "razor": "10.4.0-preview.26262.9",
     "razorOmnisharp": "7.0.0-preview.23363.1",
     "xamlTools": "18.7.11727.258"
   },