diff --git a/src/LtiAdvantage.IdentityModel/LtiAdvantage.IdentityModel.csproj b/src/LtiAdvantage.IdentityModel/LtiAdvantage.IdentityModel.csproj
index fa66914..05f5182 100644
--- a/src/LtiAdvantage.IdentityModel/LtiAdvantage.IdentityModel.csproj
+++ b/src/LtiAdvantage.IdentityModel/LtiAdvantage.IdentityModel.csproj
@@ -21,7 +21,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.19.1" />
+    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.21.0" />
   </ItemGroup>
 
 </Project>