diff --git a/libafl/Cargo.toml b/libafl/Cargo.toml
index 1da0da2f44..a7fc88f4a0 100644
--- a/libafl/Cargo.toml
+++ b/libafl/Cargo.toml
@@ -2,6 +2,11 @@
 name = "libafl"
 version = "0.1.0"
 authors = ["Andrea Fioraldi <andreafioraldi@gmail.com>", "Dominik Maier <domenukk@gmail.com>"]
+description = "Slot your own fuzzers together and extend their features using Rust"
+documentation = "https://docs.rs/libafl"
+repository = "https://github.com/AFLplusplus/LibAFL/"
+license = "MIT OR Apache-2.0"
+keywords = ["fuzzing", "testing"]
 edition = "2018"
 build = "build.rs"
 
diff --git a/libafl_cc/Cargo.toml b/libafl_cc/Cargo.toml
index 237f040e2c..ff93f13e4e 100644
--- a/libafl_cc/Cargo.toml
+++ b/libafl_cc/Cargo.toml
@@ -2,6 +2,11 @@
 name = "libafl_cc"
 version = "0.1.0"
 authors = ["Andrea Fioraldi <andreafioraldi@gmail.com>"]
+description = "Commodity library to wrap compilers and link LibAFL"
+documentation = "https://docs.rs/libafl_cc"
+repository = "https://github.com/AFLplusplus/LibAFL/"
+license = "MIT OR Apache-2.0"
+keywords = ["fuzzing", "testing", "compiler"]
 edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/libafl_derive/Cargo.toml b/libafl_derive/Cargo.toml
index 5f9cb2861a..059c5aa758 100644
--- a/libafl_derive/Cargo.toml
+++ b/libafl_derive/Cargo.toml
@@ -2,6 +2,11 @@
 name = "libafl_derive"
 version = "0.1.0"
 authors = ["Andrea Fioraldi <andreafioraldi@gmail.com>"]
+description = "Derive proc-macro crate for LibAFL"
+documentation = "https://docs.rs/libafl_derive"
+repository = "https://github.com/AFLplusplus/LibAFL/"
+license = "MIT OR Apache-2.0"
+keywords = ["fuzzing", "testing"]
 edition = "2018"
 
 [lib]
diff --git a/libafl_targets/Cargo.toml b/libafl_targets/Cargo.toml
index d0863696ba..c2da88266d 100644
--- a/libafl_targets/Cargo.toml
+++ b/libafl_targets/Cargo.toml
@@ -2,6 +2,11 @@
 name = "libafl_targets"
 version = "0.1.0"
 authors = ["Andrea Fioraldi <andreafioraldi@gmail.com>"]
+description = "Common code for target instrumentation that can be used combined with LibAFL"
+documentation = "https://docs.rs/libafl_targets"
+repository = "https://github.com/AFLplusplus/LibAFL/"
+license = "MIT OR Apache-2.0"
+keywords = ["fuzzing", "testing"]
 edition = "2018"
 
 [features]