diff --git a/build/dependencies.props b/build/dependencies.props
index 2f10801277..c5ff0a04c4 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -182,6 +182,7 @@
     <NewtonsoftJsonPackageVersion>11.0.2</NewtonsoftJsonPackageVersion>
     <OracleManagedDataAccessPackageVersion>12.2.1100</OracleManagedDataAccessPackageVersion>
     <PollySignedPackageVersion>5.8.0</PollySignedPackageVersion>
+    <PollyExtensionsHttpSignedPackageVersion>1.0.0-preview2</PollyExtensionsHttpSignedPackageVersion>
     <RemotionLinqPackageVersion>2.2.0</RemotionLinqPackageVersion>
     <SerilogExtensionsLoggingPackageVersion>1.4.0</SerilogExtensionsLoggingPackageVersion>
     <SerilogSinksFilePackageVersion>3.2.0</SerilogSinksFilePackageVersion>
diff --git a/build/external-dependencies.props b/build/external-dependencies.props
index c82da46add..4d86192b53 100644
--- a/build/external-dependencies.props
+++ b/build/external-dependencies.props
@@ -1,4 +1,4 @@
-<Project>
+<Project>
   <Import Project="dependencies.props" />
 
   <ItemDefinitionGroup>
@@ -135,6 +135,7 @@
     <ExternalDependency Include="NuGet.Frameworks" Version="$(NuGetFrameworksPackageVersion)" />
     <ExternalDependency Include="Oracle.ManagedDataAccess" Version="$(OracleManagedDataAccessPackageVersion)" />
     <ExternalDependency Include="Polly-Signed" Version="$(PollySignedPackageVersion)" />
+    <ExternalDependency Include="Polly.Extensions.Http-Signed" Version="$(PollyExtensionsHttpSignedPackageVersion)" />
     <ExternalDependency Include="Remotion.Linq" Version="$(RemotionLinqPackageVersion)" />
     <ExternalDependency Include="runtime.alpine.3.6-x64.Microsoft.NETCore.App" Version="$(RuntimeAlpine36X64MicrosoftNETCoreAppPackageVersion)" />
     <ExternalDependency Include="runtime.alpine.3.6-x64.Microsoft.NETCore.DotNetAppHost" Version="$(RuntimeAlpine36X64MicrosoftNETCoreDotNetAppHostPackageVersion)" />