diff --git a/LockPDFy/LockPDFy.csproj b/LockPDFy/LockPDFy.csproj
index a026b1a..71d5fc8 100644
--- a/LockPDFy/LockPDFy.csproj
+++ b/LockPDFy/LockPDFy.csproj
@@ -7,7 +7,7 @@
 
   <ItemGroup>
 
-    <PackageReference Include="itext7" Version="8.0.3" />
+    <PackageReference Include="itext7" Version="9.6.0" />
     <PackageReference Include="itext7.bouncy-castle-adapter" Version="8.0.3" />