diff --git a/Cargo.lock b/Cargo.lock
index 4e22710..3348dbe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -33,15 +33,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "ansi_term"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
-dependencies = [
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "anyhow"
 version = "1.0.66"
@@ -148,21 +139,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "clap"
-version = "2.34.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
-dependencies = [
- "ansi_term",
- "atty",
- "bitflags",
- "strsim 0.8.0",
- "textwrap 0.11.0",
- "unicode-width",
- "vec_map",
-]
-
 [[package]]
 name = "clap"
 version = "3.2.23"
@@ -174,9 +150,9 @@ dependencies = [
  "clap_lex",
  "indexmap",
  "once_cell",
- "strsim 0.10.0",
+ "strsim",
  "termcolor",
- "textwrap 0.16.0",
+ "textwrap",
 ]
 
 [[package]]
@@ -185,7 +161,7 @@ version = "3.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f7a2e0a962c45ce25afce14220bc24f9dade0a1787f185cecf96bfba7847cd8"
 dependencies = [
- "clap 3.2.23",
+ "clap",
 ]
 
 [[package]]
@@ -821,7 +797,7 @@ dependencies = [
  "ammonia",
  "anyhow",
  "chrono",
- "clap 3.2.23",
+ "clap",
  "clap_complete",
  "elasticlunr-rs",
  "env_logger",
@@ -849,7 +825,7 @@ dependencies = [
 name = "mdbook-yml-header"
 version = "0.1.0"
 dependencies = [
- "clap 2.34.0",
+ "clap",
  "lazy_static",
  "mdbook",
  "regex",
@@ -1444,12 +1420,6 @@ dependencies = [
  "quote",
 ]
 
-[[package]]
-name = "strsim"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
-
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -1501,15 +1471,6 @@ dependencies = [
  "winapi-util",
 ]
 
-[[package]]
-name = "textwrap"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "textwrap"
 version = "0.16.0"
@@ -1760,12 +1721,6 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
 
-[[package]]
-name = "vec_map"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
-
 [[package]]
 name = "version_check"
 version = "0.9.4"
diff --git a/Cargo.toml b/Cargo.toml
index 1a21817..c5d75e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ repository = "https://github.com/dvogt23/mdbook-yml-header"
 description = "mdBook preprocessor for removing yml header"
 
 [dependencies]
-clap = "2.*"
+clap = "3.*"
 lazy_static = "1.*"
 mdbook = "0.4.*"
 regex = "1.*"
diff --git a/src/main.rs b/src/main.rs
index 0e02755..59a8299 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,7 +8,7 @@ use mdbook::{
 use regex::Regex;
 use std::{io, process};
 
-pub fn make_app() -> App<'static, 'static> {
+pub fn make_app() -> App<'static> {
     App::new("footnote-preprocessor")
         .about("An mdbook preprocessor which converts expands footnote markers")
         .subcommand(