diff --git a/Cargo.toml b/Cargo.toml
index 92f3974..f0c7d39 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ doc = false
 actix-web =  { version = "4", features = ["openssl"] }
 base64 = "0.13"
 cfg-if = "1"
-clap = { version = "3.0.14", features = ["derive"] }
+clap = { version = "~3.1.18", features = ["derive"] }
 compress-tools = "0.12"
 flate2 = "1.0.4"
 futures = "0.3.6"
diff --git a/src/main.rs b/src/main.rs
index 1896104..8540597 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -51,7 +51,7 @@ mod tpm;
 mod version_handler;
 
 use actix_web::{dev::Service, http, middleware, rt, web, App, HttpServer};
-use clap::{App as ClapApp, Arg};
+use clap::{Arg, Command as ClapApp};
 use common::*;
 use compress_tools::*;
 use error::{Error, Result};
-- 
2.35.3


diff --git a/Cargo.toml b/Cargo.toml
index f0c7d39..0f4e4ab 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,6 @@ picky-asn1-x509 = "0.6.1"
 pretty_env_logger = "0.4"
 reqwest = {version = "0.11", features = ["json"]}
 rust-ini = "0.17"
-rustc-serialize = "0.3.24"
 serde = "1.0.80"
 serde_derive = "1.0.80"
 serde_json = { version = "1.0", features = ["raw_value"] }
-- 
2.35.3


From f7b59a6a7739d275ffe15a915eb48a36ceafccdd Mon Sep 17 00:00:00 2001
From: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Date: Tue, 17 May 2022 18:56:50 +0200
Subject: [PATCH 3/3] Drop unused dependency flate2

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
---
 Cargo.lock | 1 -
 Cargo.toml | 1 -
 src/tpm.rs | 3 ---
 3 files changed, 5 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 0f4e4ab..69d2eec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,6 @@ base64 = "0.13"
 cfg-if = "1"
 clap = { version = "~3.1.18", features = ["derive"] }
 compress-tools = "0.12"
-flate2 = "1.0.4"
 futures = "0.3.6"
 hex = "0.4"
 libc = "0.2.43"
diff --git a/src/tpm.rs b/src/tpm.rs
index 355dd0d..43129f1 100644
--- a/src/tpm.rs
+++ b/src/tpm.rs
@@ -20,8 +20,6 @@ use openssl::{
     pkey::{Id, PKeyRef, Public},
 };
 
-use flate2::{write::ZlibEncoder, Compression};
-
 use tss_esapi::{
     abstraction::{
         ak,
@@ -635,7 +633,6 @@ pub(crate) fn quote(
 #[cfg(test)]
 pub mod testing {
     use super::*;
-    use flate2::read::ZlibDecoder;
     use tss_esapi::constants::structure_tags::StructureTag;
     use tss_esapi::structures::{Attest, AttestBuffer, DigestList, Ticket};
     use tss_esapi::tss2_esys::Tss2_MU_TPMT_SIGNATURE_Unmarshal;
-- 
2.35.3