2 files changed, 2 insertions, 2 deletions
diff --git a/src/lib/block/cast/cast128.h b/src/lib/block/cast/cast128.h
index 491dd56f2..2782e96b9 100644
--- a/src/lib/block/cast/cast128.h
+++ b/src/lib/block/cast/cast128.h
@@ -15,7 +15,7 @@ namespace Botan {
 /**
 * CAST-128
 */
-class BOTAN_DLL CAST_128 : public Block_Cipher_Fixed_Params<8, 11, 16>
+class BOTAN_DLL CAST_128 final : public Block_Cipher_Fixed_Params<8, 11, 16>
    {
    public:
       void encrypt_n(const byte in[], byte out[], size_t blocks) const override;
diff --git a/src/lib/block/cast/cast256.h b/src/lib/block/cast/cast256.h
index 2e7d5cddd..086c94331 100644
--- a/src/lib/block/cast/cast256.h
+++ b/src/lib/block/cast/cast256.h
@@ -15,7 +15,7 @@ namespace Botan {
 /**
 * CAST-256
 */
-class BOTAN_DLL CAST_256 : public Block_Cipher_Fixed_Params<16, 4, 32, 4>
+class BOTAN_DLL CAST_256 final : public Block_Cipher_Fixed_Params<16, 4, 32, 4>
    {
    public:
       void encrypt_n(const byte in[], byte out[], size_t blocks) const override;