diff --git a/NzbDrone.Core/NzbDrone.Core.csproj b/NzbDrone.Core/NzbDrone.Core.csproj
index 8d739e9ff..a891ffebc 100644
--- a/NzbDrone.Core/NzbDrone.Core.csproj
+++ b/NzbDrone.Core/NzbDrone.Core.csproj
@@ -174,8 +174,9 @@
     <Reference Include="NLog, Version=2.0.0.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
       <HintPath>..\packages\NLog.2.0.0.2000\lib\net40\NLog.dll</HintPath>
     </Reference>
-    <Reference Include="Prowlin">
-      <HintPath>..\packages\Prowlin 0.9.4163.39219\Prowlin.dll</HintPath>
+    <Reference Include="Prowlin, Version=0.9.4456.26422, Culture=neutral, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Prowlin.0.9.4456.26422\lib\net40\Prowlin.dll</HintPath>
     </Reference>
     <Reference Include="SignalR">
       <HintPath>..\packages\SignalR.Server.0.5.3\lib\net40\SignalR.dll</HintPath>
diff --git a/NzbDrone.Core/packages.config b/NzbDrone.Core/packages.config
index 25fdab165..c0ca37f74 100644
--- a/NzbDrone.Core/packages.config
+++ b/NzbDrone.Core/packages.config
@@ -10,6 +10,7 @@
   <package id="Newtonsoft.Json" version="4.5.11" targetFramework="net40" />
   <package id="Ninject" version="3.0.1.10" targetFramework="net40" />
   <package id="NLog" version="2.0.0.2000" />
+  <package id="Prowlin" version="0.9.4456.26422" targetFramework="net40" />
   <package id="SignalR.Hosting.AspNet" version="0.5.3" targetFramework="net40" />
   <package id="SignalR.Hosting.Common" version="0.5.3" targetFramework="net40" />
   <package id="SignalR.Server" version="0.5.3" targetFramework="net40" />