diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80dcc0562..31302806f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@
 - Debug from .csproj and .sln [#5876](https://github.com/dotnet/vscode-csharp/issues/5876)
 
 # 2.143.x
+* Update Roslyn to 5.8.0-1.26273.3 (PR: [#9348](https://github.com/dotnet/vscode-csharp/pull/9348))
+  * Suppress Razor completion when @ is typed in Emmet numbering context (PR: [#83837](https://github.com/dotnet/roslyn/pull/83837))
+  * Convert to local function: ensure unique names for multiple discard parameters (PR: [#83644](https://github.com/dotnet/roslyn/pull/83644))
+
 * Update Roslyn to 5.8.0-1.26267.2 (PR: [#9321](https://github.com/dotnet/vscode-csharp/pull/9321))
   * Fix racecondition on UnsuedDirectiveCache.Set (PR: [#83693](https://github.com/dotnet/roslyn/pull/83693))
   * Fix single line script tag formatting (PR: [#83721](https://github.com/dotnet/roslyn/pull/83721))
diff --git a/package.json b/package.json
index e9dac41fc..78a59550d 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "workspace"
   ],
   "defaults": {
-    "roslyn": "5.8.0-1.26267.2",
+    "roslyn": "5.8.0-1.26273.3",
     "omniSharp": "1.39.14",
     "razorOmnisharp": "7.0.0-preview.23363.1",
     "xamlTools": "18.7.11727.258"
@@ -5763,4 +5763,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}