diff --git a/source/TuviProtonPrimitiveLib/TuviProtonPrimitiveLib.csproj b/source/TuviProtonPrimitiveLib/TuviProtonPrimitiveLib.csproj
index 446f452..68fa03c 100644
--- a/source/TuviProtonPrimitiveLib/TuviProtonPrimitiveLib.csproj
+++ b/source/TuviProtonPrimitiveLib/TuviProtonPrimitiveLib.csproj
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BouncyCastle.Cryptography" Version="2.3.1" />
+    <PackageReference Include="BouncyCastle.Cryptography" Version="2.4.0" />
   </ItemGroup>
 
   <ItemGroup>