diff --git a/ecdsa_fun/Cargo.toml b/ecdsa_fun/Cargo.toml
index 0fefb544..1e04d192 100644
--- a/ecdsa_fun/Cargo.toml
+++ b/ecdsa_fun/Cargo.toml
@@ -21,7 +21,7 @@ bincode = { version = "1.0", optional = true }
 
 [dev-dependencies]
 rand = "0.8"
-criterion = "0.3"
+criterion = "0.4"
 lazy_static = "1.4"
 sha2 = "0.10"
 serde_json = "1"
@@ -29,6 +29,8 @@ serde_json = "1"
 [[bench]]
 name = "bench_ecdsa"
 harness = false
+required-features = ["libsecp_compat"]
+
 
 [features]
 default = ["std"]
diff --git a/schnorr_fun/Cargo.toml b/schnorr_fun/Cargo.toml
index 2a4ad024..3e6f17f6 100644
--- a/schnorr_fun/Cargo.toml
+++ b/schnorr_fun/Cargo.toml
@@ -32,6 +32,7 @@ wasm-bindgen-test = "0.3"
 [[bench]]
 name = "bench_schnorr"
 harness = false
+required-features = ["libsecp_compat"]
 
 
 [features]
diff --git a/secp256kfun/Cargo.toml b/secp256kfun/Cargo.toml
index 7a2912e9..14814c61 100644
--- a/secp256kfun/Cargo.toml
+++ b/secp256kfun/Cargo.toml
@@ -31,7 +31,7 @@ rand = { version = "0.8" }
 lazy_static = "1.4"
 sha2 = "0.10"
 proptest = "1"
-criterion = "0.3"
+criterion = "0.4"
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
 wasm-bindgen-test = "0.3"
diff --git a/secp256kfun/src/lib.rs b/secp256kfun/src/lib.rs
index 4b4ff658..bef76baf 100755
--- a/secp256kfun/src/lib.rs
+++ b/secp256kfun/src/lib.rs
@@ -41,6 +41,7 @@ pub use scalar::Scalar;
 pub use slice::Slice;
 
 #[cfg(feature = "libsecp_compat")]
+/// Re-export `secp256k1`
 pub extern crate secp256k1;
 
 /// Re-export `serde`
@@ -59,6 +60,7 @@ mod libsecp_compat;
 mod proptest_impls;
 #[cfg(feature = "proptest")]
 #[cfg_attr(docsrs, doc(cfg(feature = "proptest")))]
+/// Re-export `proptest`
 pub extern crate proptest;
 /// The main basepoint for secp256k1 as specified in [_SEC 2: Recommended Elliptic Curve Domain Parameters_] and used in Bitcoin.
 ///