diff --git a/Cargo.lock b/Cargo.lock
index b7c1c60..5ffe9a3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,16 +4,15 @@ version = 3
 
 [[package]]
 name = "anstream"
-version = "0.3.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ca84f3628370c59db74ee214b3263d58f9aadd9b4fe7e711fd87dc452b7f163"
+checksum = "b1f58811cfac344940f1a400b6e6231ce35171f614f26439e80f8c1465c5cc0c"
 dependencies = [
  "anstyle",
  "anstyle-parse",
  "anstyle-query",
  "anstyle-wincon",
  "colorchoice",
- "is-terminal",
  "utf8parse",
 ]
 
@@ -43,9 +42,9 @@ dependencies = [
 
 [[package]]
 name = "anstyle-wincon"
-version = "1.0.2"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c677ab05e09154296dd37acecd46420c17b9713e8366facafa8fc0885167cf4c"
+checksum = "58f54d10c6dfa51283a066ceab3ec1ab78d13fae00aa49243a45e4571fb79dfd"
 dependencies = [
  "anstyle",
  "windows-sys",
@@ -122,9 +121,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "4.3.24"
+version = "4.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb690e81c7840c0d7aade59f242ea3b41b9bc27bcd5997890e7702ae4b32e487"
+checksum = "1d5f1946157a96594eb2d2c10eb7ad9a2b27518cb3000209dec700c35df9197d"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -133,9 +132,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.3.24"
+version = "4.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ed2e96bc16d8d740f6f48d663eddf4b8a0983e79210fd55479b7bcd0a69860e"
+checksum = "78116e32a042dd73c2901f0dc30790d20ff3447f3e3472fad359e8c3d282bcd6"
 dependencies = [
  "anstream",
  "anstyle",
@@ -145,9 +144,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.3.12"
+version = "4.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54a9bb5758fc5dfe728d1019941681eccaf0cf8a4189b692a0ee2f2ecf90a050"
+checksum = "c9fd1a5729c4548118d7d70ff234a44868d00489a4b6597b0b020918a0e91a1a"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -218,23 +217,6 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
-[[package]]
-name = "hermit-abi"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "443144c8cdadd93ebf52ddb4056d257f5b52c04d3c804e657d19eb73fc33668b"
-
-[[package]]
-name = "is-terminal"
-version = "0.4.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb0889898416213fab133e1d33a0e5858a48177452750691bde3666d0fdbaf8b"
-dependencies = [
- "hermit-abi",
- "rustix",
- "windows-sys",
-]
-
 [[package]]
 name = "itertools"
 version = "0.10.5"
diff --git a/Cargo.toml b/Cargo.toml
index e449915..e96a4d2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 
 [dependencies]
 anyhow = "1.0.75"
-clap = { version = "4.3.24", features = ["derive"] }
+clap = { version = "4.4.0", features = ["derive"] }
 
 [dev-dependencies]
 assert_cmd = "2.0.12"
diff --git a/flake.lock b/flake.lock
index 3a470d4..937d579 100644
--- a/flake.lock
+++ b/flake.lock
@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1687709756,
-        "narHash": "sha256-Y5wKlQSkgEK2weWdOu4J3riRd+kV/VCgHsqLNTTWQ/0=",
+        "lastModified": 1692799911,
+        "narHash": "sha256-3eihraek4qL744EvQXsK1Ha6C3CR7nnT8X2qWap4RNk=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "dbabf0ca0c0c4bce6ea5eaf65af5cb694d2082c7",
+        "rev": "f9e7cf818399d17d347f847525c5a5a8032e4e44",
         "type": "github"
       },
       "original": {
@@ -19,12 +19,15 @@
       }
     },
     "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
       "locked": {
-        "lastModified": 1659877975,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
         "type": "github"
       },
       "original": {
@@ -35,27 +38,27 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1687899050,
-        "narHash": "sha256-QBsAUSbw9DFhNPdT8a2s5dBg/far8uopVd1ro/BovS8=",
+        "lastModified": 1692808169,
+        "narHash": "sha256-x9Opq06rIiwdwGeK2Ykj69dNc2IvUH1fY55Wm7atwrE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "883a7b26331bd2162b0c01aecf41ccacd7218045",
+        "rev": "9201b5ff357e781bf014d0330d18555695df7ba8",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "release-23.05",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1665296151,
-        "narHash": "sha256-uOB0oxqxN9K7XGF1hcnY+PQnlQJ+3bP2vCn/+Ru/bbc=",
+        "lastModified": 1681358109,
+        "narHash": "sha256-eKyxW4OohHQx9Urxi7TQlFBTDWII+F+x2hklDOQPB50=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "14ccaaedd95a488dd7ae142757884d8e125b3363",
+        "rev": "96ba1c52e54e74c3197f4d43026b3f3d92e83ff9",
         "type": "github"
       },
       "original": {
@@ -78,11 +81,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1687314899,
-        "narHash": "sha256-zglbWHHXnqPUnG+oSQ0xKXR4a8hgGEwbEdGr/1Jgfm0=",
+        "lastModified": 1692929460,
+        "narHash": "sha256-zdN6UVtEml7t0WQHVy0avsE+TWJLklXnqJyiPaOa8u0=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "417dc5995703ea9edcce098ad59bb4511271cb73",
+        "rev": "673e2d3d2a3951adc6f5e3351c9fce6ad130baed",
         "type": "github"
       },
       "original": {
@@ -106,6 +109,21 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 5528925..c5abec4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Lets you run other commands in different directories.";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/release-23.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     rust-overlay.url = "github:oxalica/rust-overlay/stable";
     flake-utils.url = "github:numtide/flake-utils";
   };