diff --git a/Cargo.lock b/Cargo.lock
index dc29c39..3a103a7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,39 +17,11 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
-[[package]]
-name = "ahash"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf6ccdb167abbf410dcb915cabd428929d7f6a04980b54a11f26a39f1c7f7107"
-dependencies = [
- "cfg-if",
- "once_cell",
- "version_check",
-]
-
-[[package]]
-name = "aho-corasick"
-version = "1.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
-dependencies = [
- "memchr",
-]
-
-[[package]]
-name = "allocator-api2"
-version = "0.2.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0942ffc6dcaadf03badf6e6a2d0228460359d5e34b57ccdc720b7382dfbd5ec5"
-
 [[package]]
 name = "aoc"
-version = "34.0.0"
+version = "36.0.0"
 dependencies = [
- "elves",
- "hashbrown 0.14.2",
- "itertools 0.12.0",
+ "itertools",
 ]
 
 [[package]]
@@ -133,7 +105,7 @@ checksum = "03d8c417d7a8cb362e0c37e5d815f5eb7c37f79ff93707329d5a194e42e54ca0"
 
 [[package]]
 name = "download"
-version = "34.0.0"
+version = "36.0.0"
 dependencies = [
  "dotenvy",
  "pico-args",
@@ -146,17 +118,6 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
 
-[[package]]
-name = "elves"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "444a065e3c63c802025b3fb7efe8818ace7686290f586d53f3e757bfe847007e"
-dependencies = [
- "hashbrown 0.13.1",
- "itertools 0.10.5",
- "regex",
-]
-
 [[package]]
 name = "encoding_rs"
 version = "0.8.31"
@@ -284,25 +245,6 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
-[[package]]
-name = "hashbrown"
-version = "0.13.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33ff8ae62cd3a9102e5637afc8452c55acf3844001bd5374e0b0bd7b6616c038"
-dependencies = [
- "ahash",
-]
-
-[[package]]
-name = "hashbrown"
-version = "0.14.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f93e7192158dbcda357bdec5fb5788eebf8bbac027f3f33e719d29135ae84156"
-dependencies = [
- "ahash",
- "allocator-api2",
-]
-
 [[package]]
 name = "hermit-abi"
 version = "0.2.6"
@@ -400,7 +342,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
 dependencies = [
  "autocfg",
- "hashbrown 0.12.3",
+ "hashbrown",
 ]
 
 [[package]]
@@ -418,15 +360,6 @@ version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "11b0d96e660696543b251e58030cf9787df56da39dab19ad60eae7353040917e"
 
-[[package]]
-name = "itertools"
-version = "0.10.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itertools"
 version = "0.12.0"
@@ -649,35 +582,6 @@ dependencies = [
  "bitflags",
 ]
 
-[[package]]
-name = "regex"
-version = "1.10.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-automata",
- "regex-syntax",
-]
-
-[[package]]
-name = "regex-automata"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-syntax",
-]
-
-[[package]]
-name = "regex-syntax"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
-
 [[package]]
 name = "remove_dir_all"
 version = "0.5.3"
@@ -739,7 +643,7 @@ checksum = "7b4b9743ed687d4b4bcedf9ff5eaa7398495ae14e61cba0a295704edbc7decde"
 
 [[package]]
 name = "scaffold"
-version = "34.0.0"
+version = "36.0.0"
 dependencies = [
  "dotenvy",
  "pico-args",
@@ -1008,12 +912,6 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
-[[package]]
-name = "version_check"
-version = "0.9.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
-
 [[package]]
 name = "want"
 version = "0.3.0"
diff --git a/Cargo.toml b/Cargo.toml
index df63a62..98bdedc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,10 +11,6 @@ repository.workspace = true
 [dependencies]
 # many cool stuff for iterators
 itertools = "0.12.0"
-# faster hashing algorithms for hashmaps and hashsets
-hashbrown = "0.14.2"
-# my library with some sorters and parses
-elves = "0.2.0"
 
 [workspace]
 
@@ -23,7 +19,7 @@ members = ["utils/download", "utils/scaffold"]
 [workspace.package]
 description = "template for advent of code"
 readme = "README.md"
-version = "35.0.0"
+version = "36.0.0"
 edition = "2021"
 license = "MIT"
 authors = ["Matej Janežič <janezic.mj@gmail.com>"]