diff --git a/2023/Cargo.lock b/2023/Cargo.lock
index 1b23d8c..320a7e0 100644
--- a/2023/Cargo.lock
+++ b/2023/Cargo.lock
@@ -166,8 +166,12 @@ dependencies = [
 name = "day-17"
 version = "2023.0.0"
 dependencies = [
+ "glam",
  "itertools",
  "nom",
+ "nom_locate",
+ "pathfinding",
+ "rstest",
 ]
 
 [[package]]
@@ -242,6 +246,18 @@ dependencies = [
  "rstest",
 ]
 
+[[package]]
+name = "deprecate-until"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a3767f826efbbe5a5ae093920b58b43b01734202be697e1354914e862e8e704"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "semver",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "derive-getters"
 version = "0.3.0"
@@ -275,6 +291,12 @@ version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "error-stack"
 version = "0.4.1"
@@ -285,6 +307,12 @@ dependencies = [
  "rustc_version",
 ]
 
+[[package]]
+name = "fixedbitset"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+
 [[package]]
 name = "futures"
 version = "0.3.29"
@@ -409,6 +437,31 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown",
+]
+
+[[package]]
+name = "integer-sqrt"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "276ec31bcb4a9ee45f58bec6f9ec700ae4cf4f4f8f2fa7e06cb406bd5ffdd770"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "itertools"
 version = "0.12.0"
@@ -618,6 +671,21 @@ dependencies = [
  "windows-targets",
 ]
 
+[[package]]
+name = "pathfinding"
+version = "4.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ea07a6e677e47d6a84724d4fdf88b1e37fcb49ac94e236d7caeefd8fee75c8a"
+dependencies = [
+ "deprecate-until",
+ "fixedbitset",
+ "indexmap",
+ "integer-sqrt",
+ "num-traits",
+ "rustc-hash",
+ "thiserror",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.13"
@@ -886,6 +954,26 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.51"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f11c217e1416d6f036b870f14e0413d480dbf28edbee1f877abaf0206af43bb7"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.51"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01742297787513b79cf8e29d1056ede1313e2420b7b3b15d0a768b4921f549df"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "thousands"
 version = "0.2.0"