diff --git a/Cargo.lock b/Cargo.lock
index b93d336..54b28b9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -19,9 +19,9 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
 [[package]]
 name = "aho-corasick"
-version = "1.1.2"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
+checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
 dependencies = [
  "memchr",
 ]
@@ -76,9 +76,9 @@ dependencies = [
 
 [[package]]
 name = "backtrace"
-version = "0.3.69"
+version = "0.3.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
+checksum = "26b05800d2e817c8b3b4b54abd461726265fa9789ae34330622f2db9ee696f9d"
 dependencies = [
  "addr2line",
  "cc",
@@ -91,9 +91,9 @@ dependencies = [
 
 [[package]]
 name = "bitflags"
-version = "2.4.2"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed570934406eb16438a4e976b1b4500774099c13b8cb96eec99f620f05090ddf"
+checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
 
 [[package]]
 name = "caps"
@@ -117,17 +117,11 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "cfg_aliases"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd16c4719339c4530435d38e511904438d07cce7950afa3718a84ac36c10e89e"
-
 [[package]]
 name = "clap"
-version = "4.5.2"
+version = "4.4.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b230ab84b0ffdf890d5a10abdbc8b83ae1c4918275daea1ab8801f71536b2651"
+checksum = "1e578d6ec4194633722ccf9544794b71b1385c3c027efe0c55db226fc880865c"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -135,9 +129,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.2"
+version = "4.4.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae129e2e766ae0ec03484e609954119f123cc1fe650337e155d03b022f24f7b4"
+checksum = "4df4df40ec50c46000231c914968278b1eb05098cf8f1b3a518a95030e71d1c7"
 dependencies = [
  "anstream",
  "anstyle",
@@ -147,9 +141,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.5.0"
+version = "4.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "307bc0538d5f0f83b8248db3087aa92fe504e4691294d0c96c0eabc33f47ba47"
+checksum = "cf9804afaaf59a91e75b022a30fb7229a7901f60c755489cc61c9b423b836442"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -159,22 +153,22 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.7.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
+checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
 
 [[package]]
 name = "color-eyre"
-version = "0.6.2"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a667583cca8c4f8436db8de46ea8233c42a7d9ae424a82d338f2e4675229204"
+checksum = "55146f5e46f237f7423d74111267d4597b59b0dad0ffaf7303bce9945d843ad5"
 dependencies = [
  "backtrace",
  "color-spantrace",
  "eyre",
  "indenter",
  "once_cell",
- "owo-colors 3.5.0",
+ "owo-colors",
  "tracing-error",
 ]
 
@@ -185,7 +179,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd6be1b2a7e382e2b98b43b2adcca6bb0e465af0bdd38123873ae61eb17a72c2"
 dependencies = [
  "once_cell",
- "owo-colors 3.5.0",
+ "owo-colors",
  "tracing-core",
  "tracing-error",
 ]
@@ -248,7 +242,7 @@ dependencies = [
  "eyre",
  "libc",
  "nix",
- "owo-colors 4.0.0",
+ "owo-colors",
  "rand",
  "time",
  "tracing",
@@ -263,9 +257,9 @@ checksum = "ce23b50ad8242c51a442f3ff322d56b02f08852c77e4c0b4d3fd684abc89c683"
 
 [[package]]
 name = "itoa"
-version = "1.0.10"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
+checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
 [[package]]
 name = "lazy_static"
@@ -311,13 +305,12 @@ dependencies = [
 
 [[package]]
 name = "nix"
-version = "0.28.0"
+version = "0.27.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab2156c4fce2f8df6c499cc1c763e4394b7482525bf2a9701c9d79d215f519e4"
+checksum = "2eb04e9c688eff1c89d72b407f168cf79bb9e867a9d3323ed6c01519eb9cc053"
 dependencies = [
  "bitflags",
  "cfg-if",
- "cfg_aliases",
  "libc",
 ]
 
@@ -364,12 +357,6 @@ version = "3.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
 
-[[package]]
-name = "owo-colors"
-version = "4.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "caff54706df99d2a78a5a4e3455ff45448d81ef1bb63c22cd14052ca0e993a3f"
-
 [[package]]
 name = "pin-project-lite"
 version = "0.2.13"
@@ -438,13 +425,13 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.10.3"
+version = "1.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b62dbe01f0b06f9d8dc7d49e05a0785f153b00b2c227856282f671e0318c9b15"
+checksum = "c117dbdfde9c8308975b6a18d71f3f385c89461f7b3fb054288ecf2a2058ba4c"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-automata 0.4.5",
+ "regex-automata 0.4.6",
  "regex-syntax 0.8.2",
 ]
 
@@ -459,9 +446,9 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5bb987efffd3c6d0d8f5f89510bb458559eab11e4f869acb20bf845e016259cd"
+checksum = "86b83b8b9847f9bf95ef68afb0b8e6cdb80f498442f5179a29fad448fcc1eaea"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -517,21 +504,21 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.13.1"
+version = "1.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6ecd384b10a64542d77071bd64bd7b231f4ed5940fba55e98c3de13824cf3d7"
+checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 
 [[package]]
 name = "strsim"
-version = "0.11.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ee073c9e4cd00e28217186dbe12796d692868f432bf2e97ee73bed0c56dfa01"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "syn"
-version = "2.0.52"
+version = "2.0.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b699d15b36d1f02c3e7c69f8ffef53de37aefae075d8488d4ba1a7788d574a07"
+checksum = "002a1b3dbf967edfafc32655d0f377ab0bb7b994aa1d32c8cc7e9b8bf3ebb8f0"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 7b84cc6..53e84a2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,13 +12,13 @@ path = "src/main.rs"
 
 [dependencies]
 caps = "0.5.5"
-clap = { version = "4.5.2", features = ["derive"] }
+clap = { version = "~4.4.7", features = ["derive"] }
 color-eyre = "0.6.2"
-eyre = "0.6.12"
-libc = "0.2.153"
-nix = { version = "0.28.0", features = ["fs", "feature", "sched", "user", "mount", "mman"] }
-owo-colors = "4.0.0"
+eyre = "0.6.8"
+libc = "0.2.148"
+nix = { version = "0.27.0", features = ["fs", "feature", "sched", "user", "mount", "mman"] }
+owo-colors = "3.0.0"
 rand = "0.8.5"
-time = { version = "0.3.34", features = ["formatting"] }
-tracing = "0.1.40"
-tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
+time = { version = "0.3.28", features = ["formatting"] }
+tracing = "0.1.38"
+tracing-subscriber = { version = "0.3.17", features = ["env-filter"] }
diff --git a/hover-rs.scm b/hover-rs.scm
new file mode 100644
index 0000000..6d467c8
--- /dev/null
+++ b/hover-rs.scm
@@ -0,0 +1,41 @@
+(define-module (hover-rs)
+  #:use-module (guix build-system cargo)
+  #:use-module (guix gexp)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix git-download)
+  #:use-module (guix utils)
+  #:use-module (gnu packages crates-io))
+
+(define vcs-file?
+  (or (git-predicate (current-source-directory))
+      (const #t)))
+
+(define local-source
+  (local-file "." "source"
+              #:recursive? #t
+              #:select? (git-predicate (current-source-directory))))
+
+(define-public hover-rs
+  (package
+    (name "hover-rs")
+    (version "0.1.0")
+    (source local-source)
+    (build-system cargo-build-system)
+    (arguments
+      `(#:cargo-inputs
+        (("rust-nix" ,rust-nix-0.27)
+         ("rust-caps" ,rust-caps-0.5)
+         ("rust-clap" ,rust-clap-4)
+         ("rust-color-eyre" ,rust-color-eyre-0.6)
+         ("rust-eyre" ,rust-eyre-0.6)
+         ("rust-libc" ,rust-libc-0.2)
+         ("rust-owo-colors" ,rust-owo-colors-3)
+         ("rust-rand" ,rust-rand-0.8)
+         ("rust-time" ,rust-time-0.3)
+         ("rust-tracing" ,rust-tracing-0.1)
+         ("rust-tracing-subscriber" ,rust-tracing-subscriber-0.3))))
+    (home-page "")
+    (synopsis "")
+    (description "")
+    (license license:expat)))
diff --git a/src/main.rs b/src/main.rs
index b1bc5fd..ce3a64a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -24,8 +24,9 @@ use std::{os::unix::process::CommandExt, path::PathBuf};
 use tracing::{debug, error};
 
 #[derive(Debug, clap::Parser)]
+/// hover-rs: protective home overlay
 struct Args {
-    // #[arg(last = true)]
+    /// Command and arguments to execute
     #[arg(trailing_var_arg = true)]
     command: Vec<String>,
 }