diff --git a/Cargo.lock b/Cargo.lock
index 27b4701..28b7cfc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -41,15 +41,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "ansi_term"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "anyhow"
 version = "1.0.79"
@@ -62,7 +53,7 @@ version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a941c39708478e8eea39243b5983f1c42d2717b3620ee91f4a52115fd02ac43f"
 dependencies = [
- "itertools 0.9.0",
+ "itertools",
  "proc-macro-error",
  "proc-macro2",
  "quote",
@@ -114,17 +105,6 @@ version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
 
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -260,9 +240,9 @@ dependencies = [
 
 [[package]]
 name = "chrono-tz"
-version = "0.6.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29c39203181991a7dd4343b8005bd804e7a9a37afb8ac070e43771e8c820bbde"
+checksum = "91d7b79e99bfaa0d47da0687c43aa3b7381938a62ad3a6498599039321f660b7"
 dependencies = [
  "chrono",
  "chrono-tz-build",
@@ -271,30 +251,15 @@ dependencies = [
 
 [[package]]
 name = "chrono-tz-build"
-version = "0.0.3"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f509c3a87b33437b05e2458750a0700e5bdd6956176773e6c7d6dd15a283a0c"
+checksum = "433e39f13c9a060046954e0592a8d0a4bcb1040125cbf91cb8ee58964cfb350f"
 dependencies = [
  "parse-zoneinfo",
  "phf",
  "phf_codegen",
 ]
 
-[[package]]
-name = "clap"
-version = "2.34.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
-dependencies = [
- "ansi_term",
- "atty",
- "bitflags 1.3.2",
- "strsim 0.8.0",
- "textwrap",
- "unicode-width",
- "vec_map",
-]
-
 [[package]]
 name = "concurrent-queue"
 version = "2.4.0"
@@ -371,7 +336,7 @@ dependencies = [
  "ident_case",
  "proc-macro2",
  "quote",
- "strsim 0.10.0",
+ "strsim",
  "syn 1.0.109",
 ]
 
@@ -478,12 +443,12 @@ dependencies = [
 
 [[package]]
 name = "env_logger"
-version = "0.7.1"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
+checksum = "95b3f3e67048839cb0d0781f445682a35113da7121f7c949db0e2be96a4fbece"
 dependencies = [
- "atty",
  "humantime",
+ "is-terminal",
  "log",
  "regex",
  "termcolor",
@@ -713,6 +678,17 @@ dependencies = [
  "regex-syntax",
 ]
 
+[[package]]
+name = "globwalk"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93e3af942408868f6934a7b85134a3230832b9977cf66125df2f9edcfce4ddcc"
+dependencies = [
+ "bitflags 1.3.2",
+ "ignore",
+ "walkdir",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.22"
@@ -752,12 +728,9 @@ checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.19"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
-dependencies = [
- "libc",
-]
+checksum = "d77f7ec81a6d05a3abb01ab6eb7590f6083d08449fe5a1c8b1e620283546ccb7"
 
 [[package]]
 name = "http"
@@ -795,12 +768,9 @@ checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
 
 [[package]]
 name = "humantime"
-version = "1.3.0"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
-dependencies = [
- "quick-error",
-]
+checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
 [[package]]
 name = "hyper"
@@ -864,9 +834,9 @@ dependencies = [
 
 [[package]]
 name = "ical"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "356d82bd58997815d55ea6f9081bd4cac149e50ca943f7a4f7c050fec7271c1f"
+checksum = "26393c372d4c4d51616084afe36c0b44e4467febaa6f91f11f789094b4863bf9"
 dependencies = [
  "thiserror",
 ]
@@ -930,19 +900,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f518f335dce6725a761382244631d86cf0ccb2863413590b31338feb467f9c3"
 
 [[package]]
-name = "itertools"
-version = "0.9.0"
+name = "is-terminal"
+version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"
+checksum = "0bad00257d07be169d870ab665980b06cdb366d792ad690bf2e76876dc503455"
 dependencies = [
- "either",
+ "hermit-abi",
+ "rustix",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"
 dependencies = [
  "either",
 ]
@@ -1015,7 +987,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0f23f71580015254b020e856feac3df5878c2c7a8812297edd6c0a485ac9dada"
 dependencies = [
  "serde",
- "toml 0.7.8",
+ "toml",
 ]
 
 [[package]]
@@ -1089,6 +1061,15 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c96aba5aa877601bb3f6dd6a63a969e1f82e60646e81e71b14496995e9853c91"
 
+[[package]]
+name = "normpath"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec60c60a693226186f5d6edf073232bfb6464ed97eb22cf3b01c1e8198fd97f5"
+dependencies = [
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.17"
@@ -1214,7 +1195,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90fcb95eef784c2ac79119d1dd819e162b5da872ce6f3c3abe1e8ca1c082f72b"
 dependencies = [
  "siphasher",
- "uncased",
 ]
 
 [[package]]
@@ -1274,9 +1254,9 @@ checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
 [[package]]
 name = "pretty_env_logger"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "926d36b9553851b8b0005f1275891b392ee4d2d833852c417ed025477350fb9d"
+checksum = "865724d4dbe39d9f3dd3b52b88d859d66bcb2d6a0acfd5ea68a65fb66d4bdc1c"
 dependencies = [
  "env_logger",
  "log",
@@ -1315,12 +1295,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "quick-error"
-version = "1.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
-
 [[package]]
 name = "quote"
 version = "1.0.35"
@@ -1435,9 +1409,9 @@ dependencies = [
 
 [[package]]
 name = "rrule"
-version = "0.10.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "822efdcd86c668b92c5ddc4c08906b731d184feb3e595575924737495ae928a7"
+checksum = "615777991e415d96aa97f6e45e809111911497c029e5d0df7f6d751d218d28e8"
 dependencies = [
  "chrono",
  "chrono-tz",
@@ -1449,47 +1423,22 @@ dependencies = [
 
 [[package]]
 name = "rust-i18n"
-version = "1.2.2"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5340b7b546416b54cb3dc2184038b6ed6e45654e7b2f52bb206b52bb86c6d493"
+checksum = "65f67536f4bd75e6ac34af7d908a060a712be8ccdeaf7514e0718016eb2c39ca"
 dependencies = [
- "anyhow",
- "clap",
- "glob",
- "itertools 0.10.5",
+ "globwalk",
  "once_cell",
- "quote",
  "regex",
- "rust-i18n-extract",
  "rust-i18n-macro",
- "serde",
- "serde_derive",
- "toml 0.5.11",
-]
-
-[[package]]
-name = "rust-i18n-extract"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55a2e1fd07e907d367f1485b8db03e28569c282823b8009ea7b44cc4d1e92c56"
-dependencies = [
- "anyhow",
- "ignore",
- "proc-macro2",
- "quote",
- "regex",
  "rust-i18n-support",
- "serde",
- "serde_json",
- "serde_yaml 0.8.26",
- "syn 1.0.109",
 ]
 
 [[package]]
 name = "rust-i18n-macro"
-version = "1.3.0"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89ef5911f7c8324f62c44151fa7461bbdf6a00cbfa9beb04d963d9d02ec05634"
+checksum = "c8f6a692df009c442deb45dee393bdc741f8b23992472980b249abad9f99e5e2"
 dependencies = [
  "glob",
  "once_cell",
@@ -1499,21 +1448,25 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_yaml 0.8.26",
- "syn 1.0.109",
+ "syn 2.0.48",
 ]
 
 [[package]]
 name = "rust-i18n-support"
-version = "1.1.0"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6bbf2d058c3558bef952564ceb9afcb19631cde22b47dc44f436e62ecfb916"
+checksum = "151a35407f48bac5521e9c9813d1ec97289a36aca4ad6444ab9430fd76835b71"
 dependencies = [
- "glob",
+ "globwalk",
+ "lazy_static",
+ "normpath",
  "once_cell",
  "proc-macro2",
+ "regex",
  "serde",
  "serde_json",
  "serde_yaml 0.8.26",
+ "toml",
 ]
 
 [[package]]
@@ -1726,12 +1679,6 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
-[[package]]
-name = "strsim"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
-
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -1885,15 +1832,6 @@ dependencies = [
  "winapi-util",
 ]
 
-[[package]]
-name = "textwrap"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "thiserror"
 version = "1.0.56"
@@ -2021,15 +1959,6 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "toml"
-version = "0.5.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4f7f0dd8d50a853a531c426359045b1998f04219d88799810762cd4ad314234"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "toml"
 version = "0.7.8"
@@ -2095,15 +2024,6 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
-[[package]]
-name = "uncased"
-version = "0.9.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b9bc53168a4be7402ab86c3aad243a84dd7381d09be0eddc81280c1da95ca68"
-dependencies = [
- "version_check",
-]
-
 [[package]]
 name = "unicase"
 version = "2.7.0"
@@ -2134,12 +2054,6 @@ dependencies = [
  "tinyvec",
 ]
 
-[[package]]
-name = "unicode-width"
-version = "0.1.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51733f11c9c4f72aa0c160008246859e340b00807569a0da0e7a1079b27ba85"
-
 [[package]]
 name = "unsafe-libyaml"
 version = "0.2.10"
@@ -2173,12 +2087,6 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
-[[package]]
-name = "vec_map"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
-
 [[package]]
 name = "vecrem"
 version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index 4d24b1f..8da5488 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,17 +11,17 @@ async-mutex = "1.4.0"
 blocking = "1.2.0"
 bytes = "1.2.1"
 chrono = "0.4.22"
-chrono-tz = "0.6.3"
+chrono-tz = "0.8.5"
 diesel = { version = "2.0.2", features = ["chrono", "sqlite"] }
 diesel_migrations = "2.0.0"
-ical = { version = "0.8.0", features = ["ical"], default-features = false }
+ical = { version = "0.9.0", features = ["ical"], default-features = false }
 log = "0.4.17"
 once_cell = "1.17.0"
-pretty_env_logger = "0.4.0"
+pretty_env_logger = "0.5.0"
 regex = "1.6.0"
 reqwest = "0.11.12"
-rrule = "0.10.0"
-rust-i18n = "1.1.1"
+rrule = "0.11.0"
+rust-i18n = "2.3.0"
 serde = { version = "1.0.145", features = ["derive"] }
 serde_yaml = "0.9.13"
 teloxide = { version = "0.12.2", features = ["macros", "throttle"] }
diff --git a/src/main.rs b/src/main.rs
index fe217a8..639357e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,7 +10,7 @@ use std::{env, fs::File, io::BufReader, sync::Arc};
 use anyhow::Result;
 use async_mutex::Mutex;
 use bot::fetch_and_announce_appointment;
-use chrono::{DateTime, NaiveDateTime, NaiveTime, TimeZone, Utc};
+use chrono::{DateTime, NaiveTime, TimeZone, Utc};
 use chrono_tz::Europe;
 use db::ChatInfo;
 use diesel::result::Error::NotFound;