diff --git a/PgpCore/PGP.cs b/PgpCore/PGP.cs
index 6ab5297..c18a887 100644
--- a/PgpCore/PGP.cs
+++ b/PgpCore/PGP.cs
@@ -151,11 +151,11 @@ public void EncryptFile(
                 if (CompressionAlgorithm != CompressionAlgorithmTag.Uncompressed)
                 {
                     PgpCompressedDataGenerator comData = new PgpCompressedDataGenerator(CompressionAlgorithm);
-                    Utilities.WriteFileToLiteralData(comData.Open(@out), FileTypeToChar(), new FileInfo(inputFilePath));
+                    PgpUtilities.WriteFileToLiteralData(comData.Open(@out), FileTypeToChar(), new FileInfo(inputFilePath));
                     comData.Close();
                 }
                 else
-                    Utilities.WriteFileToLiteralData(@out, FileTypeToChar(), new FileInfo(inputFilePath));
+                    PgpUtilities.WriteFileToLiteralData(@out, FileTypeToChar(), new FileInfo(inputFilePath));
 
                 PgpEncryptedDataGenerator pk = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithm, withIntegrityCheck, new SecureRandom());
 
diff --git a/PgpCore/PgpCore.csproj b/PgpCore/PgpCore.csproj
index 33a8439..ba8cc2b 100644
--- a/PgpCore/PgpCore.csproj
+++ b/PgpCore/PgpCore.csproj
@@ -10,15 +10,15 @@
     <PackageProjectUrl>https://github.com/mattosaurus/PgpCore</PackageProjectUrl>
     <RepositoryUrl>https://github.com/mattosaurus/PgpCore</RepositoryUrl>
     <PackageTags>PGP .NET Core</PackageTags>
-    <Version>1.7.0</Version>
-    <AssemblyVersion>1.7.0.0</AssemblyVersion>
-    <FileVersion>1.7.0.0</FileVersion>
-    <PackageReleaseNotes>v1.7.0 - Update verify method to check sub keys</PackageReleaseNotes>
+    <Version>1.7.1</Version>
+    <AssemblyVersion>1.7.1.0</AssemblyVersion>
+    <FileVersion>1.7.1.0</FileVersion>
+    <PackageReleaseNotes>v1.7.1 - Switch to Portable.BouncyCastle</PackageReleaseNotes>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BouncyCastle.NetCore" Version="1.8.5" />
+    <PackageReference Include="Portable.BouncyCastle" Version="1.8.5" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file