diff --git a/bench/SimpleSign.Benchmarks/SimpleSign.Benchmarks.csproj b/bench/SimpleSign.Benchmarks/SimpleSign.Benchmarks.csproj
index 470357c..d4b63cf 100644
--- a/bench/SimpleSign.Benchmarks/SimpleSign.Benchmarks.csproj
+++ b/bench/SimpleSign.Benchmarks/SimpleSign.Benchmarks.csproj
@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="BenchmarkDotNet" Version="0.15.8" />
     <PackageReference Include="BouncyCastle.Cryptography" Version="2.*" />
-    <PackageReference Include="itext.bouncy-castle-adapter" Version="9.6.0" />
+    <PackageReference Include="itext.bouncy-castle-adapter" Version="9.7.0" />
     <PackageReference Include="itext7" Version="9.*" />
   </ItemGroup>