diff --git a/Cargo.lock b/Cargo.lock
index 7b23a26..215d4b2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "addr2line"
 version = "0.14.0"
@@ -618,12 +620,13 @@ dependencies = [
 
 [[package]]
 name = "bracket-pathfinding"
-version = "0.8.1"
+version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbd1eeaabc58017f4708c451924db6140fd148ab64f4cb6d433fb0c193cd6733"
+checksum = "32ae7f2ebf242316ba10e84ca3b31af064b8c0c77402b2171a3104a2a77718fc"
 dependencies = [
  "bracket-algorithm-traits",
  "bracket-geometry",
+ "num-rational 0.4.1",
  "smallvec 1.4.2",
 ]
 
@@ -2330,6 +2333,17 @@ dependencies = [
  "num-traits 0.2.14",
 ]
 
+[[package]]
+name = "num-rational"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0638a1c9d0a3c0914158145bc76cff373a75a627e6ecbfb71cbe6f453a5a19b0"
+dependencies = [
+ "autocfg 1.0.1",
+ "num-integer",
+ "num-traits 0.2.14",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.1.43"