diff --git a/Cargo.lock b/Cargo.lock
index 2695974..3c9d69b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -186,9 +186,9 @@ checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
 
 [[package]]
 name = "peg"
-version = "0.8.5"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9928cfca101b36ec5163e70049ee5368a8a1c3c6efc9ca9c5f9cc2f816152477"
+checksum = "0aad070be5b63aa72103f2fcdd70a83adbd5e90112ce5b574171ff1c65501773"
 dependencies = [
  "peg-macros",
  "peg-runtime",
@@ -196,9 +196,9 @@ dependencies = [
 
 [[package]]
 name = "peg-macros"
-version = "0.8.5"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6298ab04c202fa5b5d52ba03269fb7b74550b150323038878fe6c372d8280f71"
+checksum = "ddd8ef6825cae95355031ae26a99b616a2a21f22ba2de0197c43dfb05acbe7ee"
 dependencies = [
  "peg-runtime",
  "proc-macro2",
@@ -207,9 +207,9 @@ dependencies = [
 
 [[package]]
 name = "peg-runtime"
-version = "0.8.5"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "132dca9b868d927b35b5dd728167b2dee150eb1ad686008fc71ccb298b776fca"
+checksum = "7011d97b484a5ebdc4b1fdb3b12d5e4bbbea56e9d22b688f2e79e04b65a7d8a6"
 
 [[package]]
 name = "proc-macro2"