diff --git a/Diagnostics.OpenTelemetry.Tests/Diagnostics.OpenTelemetry.Tests.csproj b/Diagnostics.OpenTelemetry.Tests/Diagnostics.OpenTelemetry.Tests.csproj
index b65e09d..efedc7c 100644
--- a/Diagnostics.OpenTelemetry.Tests/Diagnostics.OpenTelemetry.Tests.csproj
+++ b/Diagnostics.OpenTelemetry.Tests/Diagnostics.OpenTelemetry.Tests.csproj
@@ -118,8 +118,8 @@
       <HintPath>..\packages\Microsoft.Identity.Client.Extensions.Msal.4.84.1\lib\netstandard2.0\Microsoft.Identity.Client.Extensions.Msal.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Microsoft.IdentityModel.Abstractions, Version=8.18.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
-      <HintPath>..\packages\Microsoft.IdentityModel.Abstractions.8.18.0\lib\net462\Microsoft.IdentityModel.Abstractions.dll</HintPath>
+    <Reference Include="Microsoft.IdentityModel.Abstractions, Version=8.19.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
+      <HintPath>..\packages\Microsoft.IdentityModel.Abstractions.8.19.1\lib\net462\Microsoft.IdentityModel.Abstractions.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Testing.Extensions.MSBuild, Version=2.2.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
diff --git a/Diagnostics.OpenTelemetry.Tests/app.config b/Diagnostics.OpenTelemetry.Tests/app.config
index f05fcc0..c04dd16 100644
--- a/Diagnostics.OpenTelemetry.Tests/app.config
+++ b/Diagnostics.OpenTelemetry.Tests/app.config
@@ -172,7 +172,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Microsoft.IdentityModel.Abstractions" publicKeyToken="31bf3856ad364e35" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-8.18.0.0" newVersion="8.18.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-8.19.1.0" newVersion="8.19.1.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Microsoft.Identity.Client" publicKeyToken="0a613f4dd989e8ae" culture="neutral" />
diff --git a/Diagnostics.OpenTelemetry.Tests/packages.config b/Diagnostics.OpenTelemetry.Tests/packages.config
index 03141df..6930792 100644
--- a/Diagnostics.OpenTelemetry.Tests/packages.config
+++ b/Diagnostics.OpenTelemetry.Tests/packages.config
@@ -20,7 +20,7 @@
   <package id="Microsoft.Extensions.Primitives" version="10.0.8" targetFramework="net462" />
   <package id="Microsoft.Identity.Client" version="4.84.1" targetFramework="net462" />
   <package id="Microsoft.Identity.Client.Extensions.Msal" version="4.84.1" targetFramework="net462" />
-  <package id="Microsoft.IdentityModel.Abstractions" version="8.18.0" targetFramework="net462" />
+  <package id="Microsoft.IdentityModel.Abstractions" version="8.19.1" targetFramework="net462" />
   <package id="Microsoft.Testing.Extensions.Telemetry" version="2.2.3" targetFramework="net462" />
   <package id="Microsoft.Testing.Extensions.TrxReport.Abstractions" version="2.2.3" targetFramework="net462" />
   <package id="Microsoft.Testing.Extensions.VSTestBridge" version="2.2.3" targetFramework="net462" />