diff --git a/build/dependencies.props b/build/dependencies.props
index 02a36ec835..1fd0f3155f 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <AspNetCoreVersion>2.0.0-preview2-*</AspNetCoreVersion>
     <CoreFxVersion>4.4.0-*</CoreFxVersion>
-    <IdentityModelActiveDirectoryVersion>3.13.8</IdentityModelActiveDirectoryVersion>
+    <IdentityModelActiveDirectoryVersion>3.13.9</IdentityModelActiveDirectoryVersion>
     <IdentityModelOpenIdVersion>2.1.3</IdentityModelOpenIdVersion>
     <InternalAspNetCoreSdkVersion>2.1.0-*</InternalAspNetCoreSdkVersion>
     <JsonNetVersion>10.0.1</JsonNetVersion>