diff --git a/Cargo.lock b/Cargo.lock
index b3958de..41697bc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -317,18 +317,18 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "4.4.18"
+version = "4.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e578d6ec4194633722ccf9544794b71b1385c3c027efe0c55db226fc880865c"
+checksum = "80c21025abd42669a92efc996ef13cfb2c5c627858421ea58d5c3b331a6c134f"
 dependencies = [
  "clap_builder",
 ]
 
 [[package]]
 name = "clap_builder"
-version = "4.4.18"
+version = "4.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4df4df40ec50c46000231c914968278b1eb05098cf8f1b3a518a95030e71d1c7"
+checksum = "458bf1f341769dfcf849846f65dffdf9146daa56bcd2a47cb4e1de9915567c99"
 dependencies = [
  "anstream",
  "anstyle",
@@ -338,9 +338,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
+checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
 
 [[package]]
 name = "colorchoice"
@@ -1387,9 +1387,9 @@ dependencies = [
 
 [[package]]
 name = "strsim"
-version = "0.10.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+checksum = "5ee073c9e4cd00e28217186dbe12796d692868f432bf2e97ee73bed0c56dfa01"
 
 [[package]]
 name = "syn"
diff --git a/acmed/Cargo.toml b/acmed/Cargo.toml
index 064b006..6910b7c 100644
--- a/acmed/Cargo.toml
+++ b/acmed/Cargo.toml
@@ -25,7 +25,7 @@ acme_common = { path = "../acme_common" }
 async-lock = "3.0"
 async-process = "2.0"
 bincode = "1.3"
-clap = { version = "4.0", features = ["string"] }
+clap = { version = "4.5", features = ["string"] }
 futures = "0.3"
 glob = "0.3"
 log = "0.4"
diff --git a/tacd/Cargo.toml b/tacd/Cargo.toml
index 0ceab52..68135c2 100644
--- a/tacd/Cargo.toml
+++ b/tacd/Cargo.toml
@@ -22,7 +22,7 @@ openssl_vendored = ["crypto_openssl", "acme_common/openssl_vendored"]
 [dependencies]
 acme_common = { path = "../acme_common" }
 anyhow = "1.0"
-clap = { version = "4.0", features = ["string"] }
+clap = { version = "4.5", features = ["string"] }
 log = "0.4"
 openssl = "0.10"
 thiserror = "1.0"