diff --git a/cryptography/pubspec.yaml b/cryptography/pubspec.yaml
index 7fdafac..9c2d9a5 100644
--- a/cryptography/pubspec.yaml
+++ b/cryptography/pubspec.yaml
@@ -4,6 +4,8 @@ homepage: https://github.com/dint-dev/cryptography
 description:
   Cryptographic algorithms for encryption, digital signatures, key agreement, authentication, and
   hashing. AES, Chacha20, ED25519, X25519, Argon2, and more. Good cross-platform support.
+topics:
+ - crypto
 
 environment:
   sdk: '>=3.1.0 <4.0.0'