diff --git a/src/AzureCosmosDB.MCP.Toolkit/AzureCosmosDB.MCP.Toolkit.csproj b/src/AzureCosmosDB.MCP.Toolkit/AzureCosmosDB.MCP.Toolkit.csproj
index f7a1e6a..11a3214 100644
--- a/src/AzureCosmosDB.MCP.Toolkit/AzureCosmosDB.MCP.Toolkit.csproj
+++ b/src/AzureCosmosDB.MCP.Toolkit/AzureCosmosDB.MCP.Toolkit.csproj
@@ -30,10 +30,10 @@
     <PackageReference Include="Azure.AI.OpenAI" Version="2.1.0" />
     <PackageReference Include="OpenAI" Version="2.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="9.0.16" />
-    <PackageReference Include="Microsoft.IdentityModel.JsonWebTokens" Version="8.18.0" />
+    <PackageReference Include="Microsoft.IdentityModel.JsonWebTokens" Version="8.19.1" />
     <PackageReference Include="Microsoft.IdentityModel.Protocols.OpenIdConnect" Version="8.18.0" />
-    <PackageReference Include="Microsoft.IdentityModel.Tokens" Version="8.18.0" />
-    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.18.0" />
+    <PackageReference Include="Microsoft.IdentityModel.Tokens" Version="8.19.1" />
+    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.19.1" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file