diff --git a/eng/Versions.props b/eng/Versions.props
index 6bd0b77bd395..64b5e8c8dc31 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -214,15 +214,15 @@
     <MicrosoftCodeAnalysisCSharpAnalyzerTestingXUnitVersion>1.1.2-beta1.22276.1</MicrosoftCodeAnalysisCSharpAnalyzerTestingXUnitVersion>
     <MicrosoftCodeAnalysisCSharpCodeFixTestingXUnitVersion>1.1.2-beta1.22276.1</MicrosoftCodeAnalysisCSharpCodeFixTestingXUnitVersion>
     <MicrosoftCssParserVersion>1.0.0-20200708.1</MicrosoftCssParserVersion>
-    <MicrosoftIdentityModelLoggingVersion>6.15.1</MicrosoftIdentityModelLoggingVersion>
-    <MicrosoftIdentityModelProtocolsOpenIdConnectVersion>6.15.1</MicrosoftIdentityModelProtocolsOpenIdConnectVersion>
-    <MicrosoftIdentityModelProtocolsWsFederationVersion>6.15.1</MicrosoftIdentityModelProtocolsWsFederationVersion>
+    <MicrosoftIdentityModelLoggingVersion>6.34.0</MicrosoftIdentityModelLoggingVersion>
+    <MicrosoftIdentityModelProtocolsOpenIdConnectVersion>6.34.0</MicrosoftIdentityModelProtocolsOpenIdConnectVersion>
+    <MicrosoftIdentityModelProtocolsWsFederationVersion>6.34.0</MicrosoftIdentityModelProtocolsWsFederationVersion>
     <MicrosoftInternalAspNetCoreH2SpecAllVersion>2.2.1</MicrosoftInternalAspNetCoreH2SpecAllVersion>
     <MicrosoftNETCoreWindowsApiSetsVersion>1.0.1</MicrosoftNETCoreWindowsApiSetsVersion>
     <MicrosoftOwinSecurityCookiesVersion>3.0.1</MicrosoftOwinSecurityCookiesVersion>
     <MicrosoftOwinTestingVersion>3.0.1</MicrosoftOwinTestingVersion>
     <MicrosoftWebAdministrationVersion>11.1.0</MicrosoftWebAdministrationVersion>
-    <SystemIdentityModelTokensJwtVersion>6.21.0</SystemIdentityModelTokensJwtVersion>
+    <SystemIdentityModelTokensJwtVersion>6.34.0</SystemIdentityModelTokensJwtVersion>
     <NuGetPackagingVersion>6.2.4</NuGetPackagingVersion>
     <NuGetVersioningVersion>6.2.4</NuGetVersioningVersion>
     <NuGetFrameworksVersion>6.2.4</NuGetFrameworksVersion>
diff --git a/src/SignalR/clients/csharp/Client/test/FunctionalTests/Startup.cs b/src/SignalR/clients/csharp/Client/test/FunctionalTests/Startup.cs
index bd414db74e21..ccad1a0a5311 100644
--- a/src/SignalR/clients/csharp/Client/test/FunctionalTests/Startup.cs
+++ b/src/SignalR/clients/csharp/Client/test/FunctionalTests/Startup.cs
@@ -5,6 +5,7 @@
 using System.IdentityModel.Tokens.Jwt;
 using System.IO;
 using System.Security.Claims;
+using System.Security.Cryptography;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.AspNetCore.Authentication.Negotiate;
 using Microsoft.AspNetCore.Authorization;
@@ -21,7 +22,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.FunctionalTests;
 
 public class Startup
 {
-    private readonly SymmetricSecurityKey SecurityKey = new SymmetricSecurityKey(Guid.NewGuid().ToByteArray());
+    private readonly SymmetricSecurityKey SecurityKey = new SymmetricSecurityKey(SHA256.HashData(Guid.NewGuid().ToByteArray()));
     private readonly JwtSecurityTokenHandler JwtTokenHandler = new JwtSecurityTokenHandler();
 
     public void ConfigureServices(IServiceCollection services)
diff --git a/src/SignalR/clients/ts/FunctionalTests/Startup.cs b/src/SignalR/clients/ts/FunctionalTests/Startup.cs
index 67eb2878ade3..9e430a5ef545 100644
--- a/src/SignalR/clients/ts/FunctionalTests/Startup.cs
+++ b/src/SignalR/clients/ts/FunctionalTests/Startup.cs
@@ -5,6 +5,7 @@
 using System.IdentityModel.Tokens.Jwt;
 using System.Reflection;
 using System.Security.Claims;
+using System.Security.Cryptography;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.AspNetCore.Http.Connections;
 using Microsoft.AspNetCore.Http.Features;
@@ -18,7 +19,7 @@ namespace FunctionalTests;
 
 public class Startup
 {
-    private readonly SymmetricSecurityKey SecurityKey = new SymmetricSecurityKey(Guid.NewGuid().ToByteArray());
+    private readonly SymmetricSecurityKey SecurityKey = new SymmetricSecurityKey(SHA256.HashData(Guid.NewGuid().ToByteArray()));
     private readonly JwtSecurityTokenHandler JwtTokenHandler = new JwtSecurityTokenHandler();
 
     private int _numRedirects;