diff --git a/src/fuseraft.csproj b/src/fuseraft.csproj
index 59f5c64..741e1f4 100644
--- a/src/fuseraft.csproj
+++ b/src/fuseraft.csproj
@@ -28,7 +28,7 @@
     <PackageReference Include="Cronos" Version="0.13.0" />
     <PackageReference Include="DocumentFormat.OpenXml" Version="3.5.1" />
     <PackageReference Include="Microsoft.Agents.AI.OpenAI" Version="1.22.0" />
-    <PackageReference Include="Microsoft.Agents.AI.Workflows" Version="1.21.0" />
+    <PackageReference Include="Microsoft.Agents.AI.Workflows" Version="1.22.0" />
 
     <!-- Native Anthropic Messages API — required for prompt caching (cache_control),
          which Anthropic's OpenAI-compatible endpoint does not support. -->
@@ -36,7 +36,7 @@
 
     <!-- A2A protocol — client-side agent federation -->
     <PackageReference Include="A2A" Version="1.0.0-preview2" />
-    <PackageReference Include="Microsoft.Agents.AI.A2A" Version="1.21.0-preview.260911.1" />
+    <PackageReference Include="Microsoft.Agents.AI.A2A" Version="1.22.0-preview.260918.1" />
 
     <!-- Azure OpenAI SDK + identity -->
     <PackageReference Include="Azure.AI.OpenAI" Version="2.1.0" />
@@ -47,7 +47,7 @@
 
     <!-- DI -->
     <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.19.1" />
-    <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.17.0" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.19.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Runtime" Version="1.19.0" />
     <PackageReference Include="PdfPig" Version="0.1.16" />