diff --git a/Cargo.lock b/Cargo.lock
index 344153b..9e12642 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -310,9 +310,9 @@ dependencies = [
 
 [[package]]
 name = "peg"
-version = "0.6.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f76678828272f177ac33b7e2ac2e3e73cc6c1cd1e3e387928aa69562fa51367"
+checksum = "9928cfca101b36ec5163e70049ee5368a8a1c3c6efc9ca9c5f9cc2f816152477"
 dependencies = [
  "peg-macros",
  "peg-runtime",
@@ -320,9 +320,9 @@ dependencies = [
 
 [[package]]
 name = "peg-macros"
-version = "0.6.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "636d60acf97633e48d266d7415a9355d4389cea327a193f87df395d88cd2b14d"
+checksum = "6298ab04c202fa5b5d52ba03269fb7b74550b150323038878fe6c372d8280f71"
 dependencies = [
  "peg-runtime",
  "proc-macro2",
@@ -331,9 +331,9 @@ dependencies = [
 
 [[package]]
 name = "peg-runtime"
-version = "0.6.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9555b1514d2d99d78150d3c799d4c357a3e2c2a8062cd108e93a06d9057629c5"
+checksum = "132dca9b868d927b35b5dd728167b2dee150eb1ad686008fc71ccb298b776fca"
 
 [[package]]
 name = "pin-project-lite"
diff --git a/Cargo.toml b/Cargo.toml
index 3361f18..0982aff 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ colored = "2.1.0"
 colored_json = "2.1.0"
 getopts = "0.2.21"
 libc = { version = "0.2.126", default-features = false }
-peg = "0.6.3"
+peg = "0.8.5"
 proc-macro2 = "1.0.6"
 quote = "1.0.2"
 serde = "1.0.102"