diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index 5353c68d..1a9de843 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -49,9 +49,9 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="ICSharpCode.SharpZipLib, Version=1.0.0.0, Culture=neutral, PublicKeyToken=1b03e6acf1164f73, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\SharpZipLib.1.0.0-alpha2\lib\netstandard1.3\ICSharpCode.SharpZipLib.dll</HintPath>
+    <Reference Include="ICSharpCode.SharpZipLib, Version=1.0.0.999, Culture=neutral, PublicKeyToken=1b03e6acf1164f73, processorArchitecture=MSIL">
+      <HintPath>..\packages\SharpZipLib.1.0.0\lib\net45\ICSharpCode.SharpZipLib.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="NAudio">
       <HintPath>..\packages\NAudio.1.7.3\lib\net35\NAudio.dll</HintPath>
diff --git a/ArcFormats/packages.config b/ArcFormats/packages.config
index 396c14ce..d8e331c1 100644
--- a/ArcFormats/packages.config
+++ b/ArcFormats/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="NVorbis" version="0.8.5.0" targetFramework="net46" />
-  <package id="SharpZipLib" version="1.0.0-alpha2" targetFramework="net46" />
+  <package id="SharpZipLib" version="1.0.0" targetFramework="net46" />
   <package id="System.IO.FileSystem" version="4.3.0" targetFramework="net46" />
   <package id="System.IO.FileSystem.Primitives" version="4.3.0" targetFramework="net46" />
   <package id="System.Security.Cryptography.Algorithms" version="4.2.0" targetFramework="net46" />