diff --git a/oauth-authorisation/OAuthFunction.fsproj b/oauth-authorisation/OAuthFunction.fsproj
index ba1aada..f86fed9 100644
--- a/oauth-authorisation/OAuthFunction.fsproj
+++ b/oauth-authorisation/OAuthFunction.fsproj
@@ -14,7 +14,7 @@
     </Content>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="3.1.6" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="3.1.18" />
     <PackageReference Include="Microsoft.Azure.Functions.Extensions" Version="1.0.0" />
     <PackageReference Include="Microsoft.Extensions.Http" Version="3.1.6" />
     <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="3.0.3" />