diff --git a/src/WebMetricPusher/WebMetricPusher.csproj b/src/WebMetricPusher/WebMetricPusher.csproj
index 94c4785..923bdd5 100644
--- a/src/WebMetricPusher/WebMetricPusher.csproj
+++ b/src/WebMetricPusher/WebMetricPusher.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Prometheus.Client" Version="5.2.0" />
-    <PackageReference Include="Prometheus.Client.HttpRequestDurations" Version="3.6.0" />
+    <PackageReference Include="Prometheus.Client.HttpRequestDurations" Version="4.0.0" />
     <PackageReference Include="Prometheus.Client.MetricPusher" Version="3.1.0" />
     <PackageReference Include="Prometheus.Client.DependencyInjection" Version="1.4.0" />
   </ItemGroup>