diff --git a/Cargo.lock b/Cargo.lock
index e257c08..547fe7c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -487,7 +487,7 @@ dependencies = [
 
 [[package]]
 name = "card-cli"
-version = "1.10.3"
+version = "1.10.4"
 dependencies = [
  "authenticator 0.3.1",
  "base64 0.21.7",
diff --git a/Cargo.toml b/Cargo.toml
index f2ee242..f1b5d78 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,9 +1,13 @@
 [package]
 name = "card-cli"
-version = "1.10.3"
+version = "1.10.4"
 authors = ["Hatter Jiang <jht5945@gmail.com>"]
 edition = "2018"
 
+[features]
+default = ["with-sequoia-openpgp"]
+with-sequoia-openpgp = ["sequoia-openpgp"]
+
 [dependencies]
 authenticator = "0.3"
 clap = "2.0"
@@ -20,7 +24,7 @@ u2f = "0.2"
 openpgp-card = "0.3"
 openpgp-card-pcsc = "0.3"
 openpgp-card-sequoia = "0.1"
-sequoia-openpgp = "1.0"
+sequoia-openpgp = { version = "1.0", optional = true }
 chrono = "0.4"
 simpledateformat = "0.1"
 ring = "0.17"
@@ -38,13 +42,13 @@ tabled = "0.14"
 env_logger = "0.10"
 bech32 = "0.9"
 ecdsa = { version = "0.16", features = ["verifying", "spki", "pem", "der"] }
-jwt = "0.16.0"
+jwt = "0.16"
 reqwest = { version = "0.11", features = ["blocking"] }
-pinentry = "0.5.0"
-rpassword = "7.3.1"
-secrecy = "0.8.0"
-der-parser = "9.0.0"
-sshcerts = "0.13.2"
+pinentry = "0.5"
+rpassword = "7.3"
+secrecy = "0.8"
+der-parser = "9.0"
+sshcerts = "0.13"
 #lazy_static = "1.4.0"
 #ssh-key = "0.4.0"
 #ctap-hid-fido2 = "2.1.3"
diff --git a/src/main.rs b/src/main.rs
index 8804f25..3ca2520 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -21,11 +21,13 @@ mod cmd_u2fsign;
 mod cmd_rsaencrypt;
 mod cmd_rsadecrypt;
 mod cmd_rsaverify;
+#[cfg(feature = "with-sequoia-openpgp")]
 mod cmd_pgp;
 mod cmd_pgpcardadmin;
 mod cmd_pgpcardlist;
 mod cmd_pgpcardsign;
 mod cmd_pgpcarddecrypt;
+#[cfg(feature = "with-sequoia-openpgp")]
 mod cmd_pgpcardmake;
 mod cmd_piv;
 mod cmd_pivsummary;
@@ -86,11 +88,13 @@ fn inner_main() -> CommandError {
         Box::new(cmd_rsaencrypt::CommandImpl),
         Box::new(cmd_rsadecrypt::CommandImpl),
         Box::new(cmd_rsaverify::CommandImpl),
+        #[cfg(feature = "with-sequoia-openpgp")]
         Box::new(cmd_pgp::CommandImpl),
         Box::new(cmd_pgpcardadmin::CommandImpl),
         Box::new(cmd_pgpcardlist::CommandImpl),
         Box::new(cmd_pgpcardsign::CommandImpl),
         Box::new(cmd_pgpcarddecrypt::CommandImpl),
+        #[cfg(feature = "with-sequoia-openpgp")]
         Box::new(cmd_pgpcardmake::CommandImpl),
         Box::new(cmd_piv::CommandImpl),
         Box::new(cmd_pivsummary::CommandImpl),
@@ -114,10 +118,20 @@ fn inner_main() -> CommandError {
         Box::new(cmd_signfile::CommandImpl),
         Box::new(cmd_verifyfile::CommandImpl),
     ];
+
+    let mut features = vec![];
+    #[cfg(feature = "with-sequoia-openpgp")]
+    features.push("with-sequoia-openpgp");
+    let about = format!(
+        "{}, features: [{}]",
+        "Card Cli is a command tool for WebAuthn, OpenPGP, YubiKey ... smart cards",
+        features.join(", "),
+    );
+
     let mut app = App::new(env!("CARGO_PKG_NAME"))
         .version(env!("CARGO_PKG_VERSION"))
         .about(env!("CARGO_PKG_DESCRIPTION"))
-        .long_about("Card Cli is a command tool for WebAuthn, OpenPGP, YubiKey ... smart cards")
+        .long_about(about.as_str())
         .setting(AppSettings::ColoredHelp);
     app = DefaultCommandImpl::process_command(app);
     for command in &commands {
diff --git a/src/pkiutil.rs b/src/pkiutil.rs
index b970355..72624a1 100644
--- a/src/pkiutil.rs
+++ b/src/pkiutil.rs
@@ -3,6 +3,7 @@ use openssl::bn::BigNum;
 use openssl::rsa::Rsa;
 use pem::Pem;
 use rust_util::XResult;
+#[cfg(feature = "with-sequoia-openpgp")]
 use sequoia_openpgp::crypto::mpi::PublicKey;
 use x509_parser::x509::AlgorithmIdentifier;
 
@@ -42,6 +43,7 @@ pub fn bytes_to_pem<T>(tag: &str, contents: T) -> String where T: Into<Vec<u8>>
     pem::encode(&cert_public_key_pem_obj).trim().to_string()
 }
 
+#[cfg(feature = "with-sequoia-openpgp")]
 pub fn sequoia_openpgp_public_key_pem(public_key: &PublicKey) -> Option<(Vec<u8>, String)> {
     match public_key {
         PublicKey::RSA { e, n } => {