diff --git a/Cargo.toml b/Cargo.toml
index e687109e4..a90e44677 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,11 @@
 name = "ff"
 version = "0.1.0"
 authors = ["Sean Bowe <ewillbefull@gmail.com>"]
+description = "Procedural macro library used to build custom prime field implementations"
+documentation = "https://github.com/ebfull/ff"
+homepage = "https://github.com/ebfull/ff"
+license = "MIT/Apache-2.0"
+repository = "https://github.com/ebfull/ff"
 
 [dependencies]
 rand = "0.3"
diff --git a/ff_derive/Cargo.toml b/ff_derive/Cargo.toml
index c61953af7..57750b13b 100644
--- a/ff_derive/Cargo.toml
+++ b/ff_derive/Cargo.toml
@@ -2,6 +2,11 @@
 name = "ff_derive"
 version = "0.1.0"
 authors = ["Sean Bowe <ewillbefull@gmail.com>"]
+description = "Procedural macro library used to build custom prime field implementations"
+documentation = "https://github.com/ebfull/ff"
+homepage = "https://github.com/ebfull/ff"
+license = "MIT/Apache-2.0"
+repository = "https://github.com/ebfull/ff"
 
 [lib]
 proc-macro = true