diff --git a/Cargo.lock b/Cargo.lock
index 6c985c0..f52ee1f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -176,34 +176,30 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "3.0.0-beta.2"
+version = "3.2.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bd1061998a501ee7d4b6d449020df3266ca3124b941ec56cf2005c3779ca142"
+checksum = "71655c45cb9845d3270c9d6df84ebe72b4dad3c2ba3f7023ad47c144e4e473a5"
 dependencies = [
  "atty",
  "bitflags",
- "clap_derive",
+ "clap_lex 0.2.4",
  "indexmap",
- "lazy_static",
- "os_str_bytes",
  "strsim",
  "termcolor",
  "textwrap",
- "unicode-width",
- "vec_map",
 ]
 
 [[package]]
-name = "clap_derive"
-version = "3.0.0-beta.2"
+name = "clap"
+version = "4.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "370f715b81112975b1b69db93e0b56ea4cd4e5002ac43b2da8474106a54096a1"
+checksum = "2148adefda54e14492fb9bddcc600b4344c5d1a3123bd666dcb939c6f0e0e57e"
 dependencies = [
- "heck 0.3.1",
- "proc-macro-error",
- "proc-macro2",
- "quote",
- "syn",
+ "atty",
+ "bitflags",
+ "clap_lex 0.3.0",
+ "strsim",
+ "termcolor",
 ]
 
 [[package]]
@@ -212,7 +208,25 @@ version = "3.0.0-beta.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "adf420f8b687b628d2915ccfd43a660c437a170432e3fbcb66944e8717a0d68f"
 dependencies = [
- "clap",
+ "clap 3.2.23",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
+dependencies = [
+ "os_str_bytes",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d4198f73e42b4936b35b5bb248d81d2b595ecb170da0bac7655c54eedfa8da8"
+dependencies = [
+ "os_str_bytes",
 ]
 
 [[package]]
@@ -658,15 +672,6 @@ version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
 
-[[package]]
-name = "heck"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
-dependencies = [
- "unicode-segmentation",
-]
-
 [[package]]
 name = "heck"
 version = "0.4.0"
@@ -1108,7 +1113,7 @@ name = "orthanc-cli"
 version = "0.4.0"
 dependencies = [
  "chrono",
- "clap",
+ "clap 4.0.26",
  "clap_generate",
  "comfy-table",
  "dicom-object",
@@ -1124,9 +1129,9 @@ dependencies = [
 
 [[package]]
 name = "os_str_bytes"
-version = "2.4.0"
+version = "6.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "afb2e1c3ee07430c2cf76151675e583e0f19985fa6efae47d6848a3e2c824f85"
+checksum = "7b5bf27447411e9ee3ff51186bf7a08e16c341efdde93f4d823e8844429bed7e"
 
 [[package]]
 name = "output_vt100"
@@ -1265,30 +1270,6 @@ dependencies = [
  "output_vt100",
 ]
 
-[[package]]
-name = "proc-macro-error"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
-dependencies = [
- "proc-macro-error-attr",
- "proc-macro2",
- "quote",
- "syn",
- "version_check",
-]
-
-[[package]]
-name = "proc-macro-error-attr"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
-dependencies = [
- "proc-macro2",
- "quote",
- "version_check",
-]
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.24"
@@ -1610,7 +1591,7 @@ version = "0.24.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e385be0d24f186b4ce2f9982191e7101bb737312ad61c1f2f984f34bcf85d59"
 dependencies = [
- "heck 0.4.0",
+ "heck",
  "proc-macro2",
  "quote",
  "rustversion",
@@ -1659,12 +1640,9 @@ dependencies = [
 
 [[package]]
 name = "textwrap"
-version = "0.12.1"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "203008d98caf094106cfaba70acfed15e18ed3ddb7d94e49baec153a2b462789"
-dependencies = [
- "unicode-width",
-]
+checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d"
 
 [[package]]
 name = "time"
@@ -1828,12 +1806,6 @@ dependencies = [
  "tinyvec",
 ]
 
-[[package]]
-name = "unicode-segmentation"
-version = "1.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796"
-
 [[package]]
 name = "unicode-width"
 version = "0.1.8"
@@ -1864,12 +1836,6 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b00bca6106a5e23f3eee943593759b7fcddb00554332e856d990c893966879fb"
 
-[[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 = "0.9.2"
diff --git a/Cargo.toml b/Cargo.toml
index 7796959..4b14a29 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ autotests = false
 build = "build.rs"
 
 [dependencies]
-clap = "3.0.0-beta.2"
+clap = "4.0.26"
 comfy-table = "6.1.0"
 orthanc = "0.8"
 serde_json = "1.0"
@@ -35,7 +35,7 @@ zip = "0.6"
 opt-level = 3
 
 [build-dependencies]
-clap = "3.0.0-beta.2"
+clap = "4.0.26"
 clap_generate = "3.0.0-beta.2"
 
 [[bin]]