diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 89a79167aa4..92e64d5d631 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -32,6 +32,10 @@ updates:
       anthropic:
         patterns:
           - "Anthropic*"
+      opentelemetry:
+        patterns:
+          - "OpenTelemetry*"
+          - "Azure.Monitor.OpenTelemetry.Exporter"
     ignore:
       # For all System.* and Microsoft.Extensions/Bcl.* packages, ignore all major version updates
       - dependency-name: "System.*"
diff --git a/dotnet/Directory.Packages.props b/dotnet/Directory.Packages.props
index e1b56812593..8dead31fe33 100644
--- a/dotnet/Directory.Packages.props
+++ b/dotnet/Directory.Packages.props
@@ -33,7 +33,7 @@
     <PackageVersion Include="Azure.Identity" Version="1.21.0" />
     <PackageVersion Include="Azure.Storage.Blobs" Version="12.29.1" />
     <PackageVersion Include="DotNetEnv" Version="3.2.0" />
-    <PackageVersion Include="Azure.Monitor.OpenTelemetry.Exporter" Version="1.8.3" />
+    <PackageVersion Include="Azure.Monitor.OpenTelemetry.Exporter" Version="1.9.0" />
     <!-- Google Gemini  -->
     <PackageVersion Include="Google.GenAI" Version="1.6.0" />
     <PackageVersion Include="Mscc.GenerativeAI.Microsoft" Version="2.9.3" />
@@ -65,15 +65,15 @@
     <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.6.3" />
     <PackageVersion Include="System.Net.Security" Version="4.3.2" />
     <!-- OpenTelemetry -->
-    <PackageVersion Include="OpenTelemetry" Version="1.15.3" />
-    <PackageVersion Include="OpenTelemetry.Api" Version="1.15.3" />
-    <PackageVersion Include="OpenTelemetry.Exporter.Console" Version="1.15.3" />
-    <PackageVersion Include="OpenTelemetry.Exporter.InMemory" Version="1.15.3" />
-    <PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.15.3" />
-    <PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.15.3" />
-    <PackageVersion Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.15.2" />
-    <PackageVersion Include="OpenTelemetry.Instrumentation.Http" Version="1.15.1" />
-    <PackageVersion Include="OpenTelemetry.Instrumentation.Runtime" Version="1.15.1" />
+    <PackageVersion Include="OpenTelemetry" Version="1.18.0" />
+    <PackageVersion Include="OpenTelemetry.Api" Version="1.18.0" />
+    <PackageVersion Include="OpenTelemetry.Exporter.Console" Version="1.18.0" />
+    <PackageVersion Include="OpenTelemetry.Exporter.InMemory" Version="1.18.0" />
+    <PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.18.0" />
+    <PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.18.0" />
+    <PackageVersion Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.18.0" />
+    <PackageVersion Include="OpenTelemetry.Instrumentation.Http" Version="1.18.0" />
+    <PackageVersion Include="OpenTelemetry.Instrumentation.Runtime" Version="1.18.0" />
     <!-- Microsoft.AspNetCore.* -->
     <PackageVersion Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="10.0.12" />
     <PackageVersion Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="10.0.12" />
@@ -108,7 +108,7 @@
     <PackageVersion Include="CommunityToolkit.VectorData.InMemory" Version="1.0.1" />
     <PackageVersion Include="CommunityToolkit.VectorData.Qdrant" Version="1.0.0" />
     <!-- Agent SDKs -->
-    <PackageVersion Include="GitHub.Copilot.SDK" Version="1.0.5" />
+    <PackageVersion Include="GitHub.Copilot.SDK" Version="1.0.11" />
     <PackageVersion Include="ResponsibleAI.AgentHooks" Version="0.1.0-alpha.4" />
     <PackageVersion Include="Microsoft.Agents.CopilotStudio.Client" Version="1.3.171-beta" />
     <!-- M365 Agents SDK -->
@@ -155,7 +155,7 @@
     <!-- Symbols -->
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.401" />
     <!-- Toolset -->
-    <PackageVersion Include="ReferenceTrimmer" Version="3.4.5" />
+    <PackageVersion Include="ReferenceTrimmer" Version="3.5.9" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="3.11.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="10.0.401" />
diff --git a/dotnet/samples/02-agents/AgentWithMemory/AgentWithMemory_Step06_MemoryUsingAgentMemory/AgentWithMemory_Step06_MemoryUsingAgentMemory.csproj b/dotnet/samples/02-agents/AgentWithMemory/AgentWithMemory_Step06_MemoryUsingAgentMemory/AgentWithMemory_Step06_MemoryUsingAgentMemory.csproj
index 5376b3c7cdc..4cee54785a4 100644
--- a/dotnet/samples/02-agents/AgentWithMemory/AgentWithMemory_Step06_MemoryUsingAgentMemory/AgentWithMemory_Step06_MemoryUsingAgentMemory.csproj
+++ b/dotnet/samples/02-agents/AgentWithMemory/AgentWithMemory_Step06_MemoryUsingAgentMemory/AgentWithMemory_Step06_MemoryUsingAgentMemory.csproj
@@ -49,7 +49,7 @@
          version it would otherwise resolve to, 1.12.0, has a known moderate severity vulnerability
          (GHSA-g94r-2vxg-569j) that fails the repo's NuGet audit (NU1902 as error). Matches the version
          pinned in dotnet/Directory.Packages.props. -->
-    <PackageReference Include="OpenTelemetry.Api" Version="1.15.3" />
+    <PackageReference Include="OpenTelemetry.Api" Version="1.18.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/dotnet/samples/04-hosting/FoundryHostedAgents/invocations/Hosted-Invocations-EchoAgent/Hosted-Invocations-EchoAgent.csproj b/dotnet/samples/04-hosting/FoundryHostedAgents/invocations/Hosted-Invocations-EchoAgent/Hosted-Invocations-EchoAgent.csproj
index edd74f5a74b..be47ac13eed 100644
--- a/dotnet/samples/04-hosting/FoundryHostedAgents/invocations/Hosted-Invocations-EchoAgent/Hosted-Invocations-EchoAgent.csproj
+++ b/dotnet/samples/04-hosting/FoundryHostedAgents/invocations/Hosted-Invocations-EchoAgent/Hosted-Invocations-EchoAgent.csproj
@@ -33,8 +33,8 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Agents.AI.Abstractions" Version="$(AgentFrameworkVersion)" />
     <PackageReference Include="Azure.AI.AgentServer.Invocations" Version="1.0.0-beta.6" />
-    <PackageReference Include="OpenTelemetry.Api" Version="1.15.3" />
-    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.15.3" />
+    <PackageReference Include="OpenTelemetry.Api" Version="1.18.0" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.18.0" />
     <PackageReference Include="DotNetEnv" Version="3.1.1" />
   </ItemGroup>