diff --git a/stellar_rust_sdk/Cargo.toml b/stellar_rust_sdk/Cargo.toml
index 7c22a63..62dde9a 100644
--- a/stellar_rust_sdk/Cargo.toml
+++ b/stellar_rust_sdk/Cargo.toml
@@ -14,8 +14,7 @@ keywords = ["Stellar", "SDK", "Horizon", "Blockchain", "Cryptocurrency"]
 categories = [
     "cryptography",
     "network-programming",
-    "blockchain",
-    "cryptocurrency",
+    "cryptography::cryptocurrencies"
 ]
 autobenches = true
 
diff --git a/stellar_rust_sdk_derive/Cargo.toml b/stellar_rust_sdk_derive/Cargo.toml
index 9b79cd9..fcdc978 100644
--- a/stellar_rust_sdk_derive/Cargo.toml
+++ b/stellar_rust_sdk_derive/Cargo.toml
@@ -14,8 +14,7 @@ keywords = ["Stellar", "SDK", "Horizon", "Blockchain", "Cryptocurrency"]
 categories = [
     "cryptography",
     "network-programming",
-    "blockchain",
-    "cryptocurrency",
+    "cryptography::cryptocurrencies"
 ]
 autobenches = true