diff --git a/Cargo.lock b/Cargo.lock
index 8acf1e4..5b67ec2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,33 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "addr2line"
-version = "0.19.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
-dependencies = [
- "gimli",
-]
-
-[[package]]
-name = "adler"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
-
-[[package]]
-name = "ahash"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c99f64d1e06488f620f932677e24bc6e2897582980441ae90a671415bd7ec2f"
-dependencies = [
- "cfg-if",
- "getrandom",
- "once_cell",
- "version_check",
-]
-
 [[package]]
 name = "aho-corasick"
 version = "0.7.20"
@@ -93,33 +66,12 @@ version = "1.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7de8ce5e0f9f8d88245311066a578d72b7af3e7088f32783804676302df237e4"
 
-[[package]]
-name = "arrayvec"
-version = "0.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8da52d66c7071e2e3fa2a1e5c6d088fec47b593032b254f5e980de8ea54454d6"
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
-[[package]]
-name = "backtrace"
-version = "0.3.67"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
-dependencies = [
- "addr2line",
- "cc",
- "cfg-if",
- "libc",
- "miniz_oxide",
- "object",
- "rustc-demangle",
-]
-
 [[package]]
 name = "bindgen"
 version = "0.60.1"
@@ -145,12 +97,6 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
-[[package]]
-name = "bytemuck"
-version = "1.13.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17febce684fd15d89027105661fec94afb475cb995fbc59d2865198446ba2eea"
-
 [[package]]
 name = "bytes"
 version = "1.4.0"
@@ -178,18 +124,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "cities-json"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f7a89d9a7d1e2b980dc2fd22e818e8c37b102fe30976a95dc000267f10d79d2"
-dependencies = [
- "lazy_static",
- "rand",
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "clang-sys"
 version = "1.6.0"
@@ -203,9 +137,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.3.0"
+version = "4.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93aae7a4192245f70fe75dd9157fc7b4a5bf53e88d30bd4396f7d8f9284d5acc"
+checksum = "5fd304a20bff958a57f04c4e96a2e7594cc4490a0e809cbd48bb6437edaa452d"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -214,22 +148,21 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.3.0"
+version = "4.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f423e341edefb78c9caba2d9c7f7687d0e72e89df3ce3394554754393ac3990"
+checksum = "01c6a3f08f1fe5662a35cfe393aec09c4df95f60ee93b7556505260f75eee9e1"
 dependencies = [
  "anstream",
  "anstyle",
- "bitflags",
  "clap_lex",
  "strsim",
 ]
 
 [[package]]
 name = "clap_derive"
-version = "4.3.0"
+version = "4.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "191d9573962933b4027f932c600cd252ce27a8ad5979418fe78e43c07996f27b"
+checksum = "54a9bb5758fc5dfe728d1019941681eccaf0cf8a4189b692a0ee2f2ecf90a050"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -249,24 +182,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
-[[package]]
-name = "cpp_demangle"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b446fd40bcc17eddd6a4a78f24315eb90afdb3334999ddfd4909985c47722442"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "debugid"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef552e6f588e446098f6ba40d89ac146c8c7b64aade83c051ee00bb5d2bc18d"
-dependencies = [
- "uuid",
-]
-
 [[package]]
 name = "either"
 version = "1.8.1"
@@ -303,18 +218,6 @@ dependencies = [
  "instant",
 ]
 
-[[package]]
-name = "findshlibs"
-version = "0.10.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40b9e59cd0f7e0806cca4be089683ecb6434e602038df21fe6bf6711b2f07f64"
-dependencies = [
- "cc",
- "lazy_static",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "fixedbitset"
 version = "0.4.2"
@@ -323,20 +226,18 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
 [[package]]
 name = "float_next_after"
-version = "0.1.5"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fc612c5837986b7104a87a0df74a5460931f1c5274be12f8d0f40aa2f30d632"
-dependencies = [
- "num-traits",
-]
+checksum = "8bf7cc16383c4b8d58b9905a8509f02926ce3058053c056376248d958c9df1e8"
 
 [[package]]
 name = "geometry-rs"
-version = "0.1.2"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c623c811aed432757098db05e02cae0975900b73ff574277ba3e580890d9c6f1"
+checksum = "0cc55d6ed34ecaf51b13b305e876e80d8d23ff0ef61cc6d70532994ebdc7b2f5"
 dependencies = [
  "float_next_after",
+ "rtree_rs",
 ]
 
 [[package]]
@@ -350,12 +251,6 @@ dependencies = [
  "wasi",
 ]
 
-[[package]]
-name = "gimli"
-version = "0.27.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
-
 [[package]]
 name = "glob"
 version = "0.3.1"
@@ -390,24 +285,6 @@ dependencies = [
  "hashbrown",
 ]
 
-[[package]]
-name = "inferno"
-version = "0.11.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fb7c1b80a1dfa604bb4a649a5c5aeef3d913f7c520cb42b40e534e8a61bcdfc"
-dependencies = [
- "ahash",
- "indexmap",
- "is-terminal",
- "itoa",
- "log",
- "num-format",
- "once_cell",
- "quick-xml",
- "rgb",
- "str_stack",
-]
-
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -449,12 +326,6 @@ dependencies = [
  "either",
 ]
 
-[[package]]
-name = "itoa"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
-
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -489,16 +360,6 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
 
-[[package]]
-name = "lock_api"
-version = "0.4.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
-dependencies = [
- "autocfg",
- "scopeguard",
-]
-
 [[package]]
 name = "log"
 version = "0.4.17"
@@ -536,48 +397,18 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
-[[package]]
-name = "memmap2"
-version = "0.5.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83faa42c0a078c393f6b29d5db232d8be22776a891f8f56e5284faee4a20b327"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
-[[package]]
-name = "miniz_oxide"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
-dependencies = [
- "adler",
-]
-
 [[package]]
 name = "multimap"
 version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
 
-[[package]]
-name = "nix"
-version = "0.26.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfdda3d196821d6af13126e40375cdf7da646a96114af134d5f417a9a1dc8e1a"
-dependencies = [
- "bitflags",
- "cfg-if",
- "libc",
- "static_assertions",
-]
-
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -588,63 +419,12 @@ dependencies = [
  "minimal-lexical",
 ]
 
-[[package]]
-name = "num-format"
-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a652d9771a63711fd3c3deb670acfbe5c30a4072e664d7a3bf5a9e1056ac72c3"
-dependencies = [
- "arrayvec",
- "itoa",
-]
-
-[[package]]
-name = "num-traits"
-version = "0.2.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
-dependencies = [
- "autocfg",
-]
-
-[[package]]
-name = "object"
-version = "0.30.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "once_cell"
 version = "1.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
-[[package]]
-name = "parking_lot"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
-dependencies = [
- "lock_api",
- "parking_lot_core",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.9.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9069cbb9f99e3a5083476ccb29ceb1de18b9118cafa53e90c9551235de2b9521"
-dependencies = [
- "cfg-if",
- "libc",
- "redox_syscall",
- "smallvec",
- "windows-sys 0.45.0",
-]
-
 [[package]]
 name = "peeking_take_while"
 version = "0.1.2"
@@ -661,33 +441,18 @@ dependencies = [
  "indexmap",
 ]
 
-[[package]]
-name = "pprof"
-version = "0.11.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "196ded5d4be535690899a4631cc9f18cdc41b7ebf24a79400f46f48e49a11059"
-dependencies = [
- "backtrace",
- "cfg-if",
- "findshlibs",
- "inferno",
- "libc",
- "log",
- "nix",
- "once_cell",
- "parking_lot",
- "smallvec",
- "symbolic-demangle",
- "tempfile",
- "thiserror",
-]
-
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[package]]
+name = "pqueue"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2145d14f09d5fc7fe7134b556146599c2929af5b1f1e3a0ecc9d582a9b85e4d"
+
 [[package]]
 name = "prettyplease"
 version = "0.1.25"
@@ -761,15 +526,6 @@ dependencies = [
  "prost",
 ]
 
-[[package]]
-name = "quick-xml"
-version = "0.26.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f50b1c63b38611e7d4d7f68b82d3ad0cc71a2ad2e7f61fc10f1328d917c93cd"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "quote"
 version = "1.0.26"
@@ -866,20 +622,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
 
 [[package]]
-name = "rgb"
-version = "0.8.36"
+name = "rtree_rs"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20ec2d3e3fc7a92ced357df9cebd5a10b6fb2aa1ee797bf7e9ce2f17dffc8f59"
+checksum = "7787960e978c1c675fd6b8eb7d56b9c7162aec55c41d368add6f3ff39251b96e"
 dependencies = [
- "bytemuck",
+ "pqueue",
 ]
 
-[[package]]
-name = "rustc-demangle"
-version = "0.1.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4a36c42d1873f9a77c53bde094f9664d9891bc604a45b4798fd2c389ed12e5b"
-
 [[package]]
 name = "rustc-hash"
 version = "1.1.0"
@@ -900,49 +650,6 @@ dependencies = [
  "windows-sys 0.45.0",
 ]
 
-[[package]]
-name = "ryu"
-version = "1.0.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
-
-[[package]]
-name = "scopeguard"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
-
-[[package]]
-name = "serde"
-version = "1.0.158"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "771d4d9c4163ee138805e12c710dd365e4f44be8be0503cb1bb9eb989425d9c9"
-dependencies = [
- "serde_derive",
-]
-
-[[package]]
-name = "serde_derive"
-version = "1.0.158"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e801c1712f48475582b7696ac71e0ca34ebb30e09338425384269d9717c62cad"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.10",
-]
-
-[[package]]
-name = "serde_json"
-version = "1.0.94"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c533a59c9d8a93a09c6ab31f0fd5e5f4dd1b8fc9434804029839884765d04ea"
-dependencies = [
- "itoa",
- "ryu",
- "serde",
-]
-
 [[package]]
 name = "shell-words"
 version = "1.1.0"
@@ -955,59 +662,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
 
-[[package]]
-name = "smallvec"
-version = "1.10.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
-
-[[package]]
-name = "stable_deref_trait"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
-
-[[package]]
-name = "static_assertions"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
-
-[[package]]
-name = "str_stack"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9091b6114800a5f2141aee1d1b9d6ca3592ac062dc5decb3764ec5895a47b4eb"
-
 [[package]]
 name = "strsim"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
-[[package]]
-name = "symbolic-common"
-version = "10.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b55cdc318ede251d0957f07afe5fed912119b8c1bc5a7804151826db999e737"
-dependencies = [
- "debugid",
- "memmap2",
- "stable_deref_trait",
- "uuid",
-]
-
-[[package]]
-name = "symbolic-demangle"
-version = "10.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79be897be8a483a81fff6a3a4e195b4ac838ef73ca42d348b3f722da9902e489"
-dependencies = [
- "cpp_demangle",
- "rustc-demangle",
- "symbolic-common",
-]
-
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -1043,26 +703,6 @@ dependencies = [
  "windows-sys 0.42.0",
 ]
 
-[[package]]
-name = "thiserror"
-version = "1.0.40"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "978c9a314bd8dc99be594bc3c175faaa9794be04a5a5e153caba6915336cebac"
-dependencies = [
- "thiserror-impl",
-]
-
-[[package]]
-name = "thiserror-impl"
-version = "1.0.40"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.10",
-]
-
 [[package]]
 name = "tzf"
 version = "0.1.0"
@@ -1080,17 +720,14 @@ checksum = "e305448914389c394ef4d3285688b6fa0f69602122c4a446acb39ff3e9669c65"
 
 [[package]]
 name = "tzf-rs"
-version = "0.4.1"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72cc2c991c9d0e28104ea816f3092c355ecd3bf4160c58411d4dd4e0f58f97a9"
+checksum = "f0c9c15bb33672dd4aed1af31162ebc5cc8bb83f71c6d70fdbd3ce15b5643044"
 dependencies = [
  "anyhow",
  "bytes",
- "cities-json",
  "clap",
  "geometry-rs",
- "lazy_static",
- "pprof",
  "prost",
  "prost-build",
  "rand",
@@ -1109,18 +746,6 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
-[[package]]
-name = "uuid"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1674845326ee10d37ca60470760d4288a6f80f304007d92e5c53bab78c9cfd79"
-
-[[package]]
-name = "version_check"
-version = "0.9.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
-
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
diff --git a/Gemfile b/Gemfile
index fdd3165..669f111 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,8 +5,9 @@ source "https://rubygems.org"
 # Specify your gem's dependencies in tzf.gemspec
 gemspec
 
+gem "rake", "~> 13.0"
+gem "rake-compiler", "~> 1.2"
 gem "rspec", "~> 3.0"
-
 gem "rubocop", "~> 1.21"
 gem "rubocop-rake", "~> 0.6"
 gem "rubocop-rspec", "~> 2.18"
diff --git a/Gemfile.lock b/Gemfile.lock
index b2fa4c7..5d02c77 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    tzf (0.4.1)
+    tzf (0.4.3)
       rb_sys (~> 0.9)
 
 GEM
@@ -10,48 +10,55 @@ GEM
     ast (2.4.2)
     diff-lcs (1.5.0)
     json (2.6.3)
-    parallel (1.22.1)
-    parser (3.2.1.1)
+    language_server-protocol (3.17.0.3)
+    parallel (1.23.0)
+    parser (3.2.2.3)
       ast (~> 2.4.1)
+      racc
+    racc (1.7.1)
     rainbow (3.1.1)
     rake (13.0.6)
-    rake-compiler (1.2.1)
+    rake-compiler (1.2.4)
       rake
-    rb_sys (0.9.70)
-    regexp_parser (2.7.0)
-    rexml (3.2.5)
+    rb_sys (0.9.79)
+    regexp_parser (2.8.1)
+    rexml (3.2.6)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
       rspec-mocks (~> 3.12.0)
-    rspec-core (3.12.1)
+    rspec-core (3.12.2)
       rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.2)
+    rspec-expectations (3.12.3)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
-    rspec-mocks (3.12.4)
+    rspec-mocks (3.12.6)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
-    rspec-support (3.12.0)
-    rubocop (1.48.1)
+    rspec-support (3.12.1)
+    rubocop (1.55.1)
       json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.0.0)
+      parser (>= 3.2.2.3)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.26.0, < 2.0)
+      rubocop-ast (>= 1.28.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.28.0)
+    rubocop-ast (1.29.0)
       parser (>= 3.2.1.0)
-    rubocop-capybara (2.17.1)
+    rubocop-capybara (2.18.0)
       rubocop (~> 1.41)
+    rubocop-factory_bot (2.23.1)
+      rubocop (~> 1.33)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-rspec (2.19.0)
+    rubocop-rspec (2.23.0)
       rubocop (~> 1.33)
       rubocop-capybara (~> 2.17)
+      rubocop-factory_bot (~> 2.22)
     ruby-progressbar (1.13.0)
     unicode-display_width (2.4.2)
 
diff --git a/ext/tzf/Cargo.toml b/ext/tzf/Cargo.toml
index c27322f..c40cc66 100644
--- a/ext/tzf/Cargo.toml
+++ b/ext/tzf/Cargo.toml
@@ -12,4 +12,4 @@ crate-type = ["cdylib"]
 [dependencies]
 lazy_static = "1.4.0"
 magnus = { version = "0.4" }
-tzf-rs = "0.4.1"
+tzf-rs = "0.4.3"
diff --git a/lib/tzf/version.rb b/lib/tzf/version.rb
index 515246d..dcff70c 100644
--- a/lib/tzf/version.rb
+++ b/lib/tzf/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module TZF
-  VERSION = "0.4.1"
+  VERSION = "0.4.3"
 end
diff --git a/tzf.gemspec b/tzf.gemspec
index b1cb2a0..73a6db0 100644
--- a/tzf.gemspec
+++ b/tzf.gemspec
@@ -35,7 +35,4 @@ Gem::Specification.new do |spec|
   spec.metadata["rubygems_mfa_required"] = "true"
 
   spec.add_dependency("rb_sys", "~> 0.9")
-
-  spec.add_development_dependency("rake", "~> 13.0")
-  spec.add_development_dependency("rake-compiler", "~> 1.2")
 end