diff --git a/PNGDecoder.csproj b/PNGDecoder.csproj
index 28421a7..801f379 100644
--- a/PNGDecoder.csproj
+++ b/PNGDecoder.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="SharpZipLib" Version="1.0.0" />
+    <PackageReference Include="SharpZipLib" Version="1.3.3" />
     <PackageReference Include="CoreCompat.System.Drawing" Version="1.0.0-beta006" />
   </ItemGroup>