diff --git a/Cargo.lock b/Cargo.lock
index e4731ef..bea5755 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 = "javac-rs-ast"
 version = "0.1.0"
@@ -17,9 +19,9 @@ dependencies = [
 
 [[package]]
 name = "peg"
-version = "0.6.3"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f76678828272f177ac33b7e2ac2e3e73cc6c1cd1e3e387928aa69562fa51367"
+checksum = "a07f2cafdc3babeebc087e499118343442b742cc7c31b4d054682cc598508554"
 dependencies = [
  "peg-macros",
  "peg-runtime",
@@ -27,9 +29,9 @@ dependencies = [
 
 [[package]]
 name = "peg-macros"
-version = "0.6.3"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "636d60acf97633e48d266d7415a9355d4389cea327a193f87df395d88cd2b14d"
+checksum = "4a90084dc05cf0428428e3d12399f39faad19b0909f64fb9170c9fdd6d9cd49b"
 dependencies = [
  "peg-runtime",
  "proc-macro2",
@@ -38,9 +40,9 @@ dependencies = [
 
 [[package]]
 name = "peg-runtime"
-version = "0.6.3"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9555b1514d2d99d78150d3c799d4c357a3e2c2a8062cd108e93a06d9057629c5"
+checksum = "9fa00462b37ead6d11a82c9d568b26682d78e0477dc02d1966c013af80969739"
 
 [[package]]
 name = "proc-macro2"
diff --git a/javac-rs-parser/Cargo.toml b/javac-rs-parser/Cargo.toml
index d77e765..b0ca77e 100644
--- a/javac-rs-parser/Cargo.toml
+++ b/javac-rs-parser/Cargo.toml
@@ -5,4 +5,4 @@ authors = ["progrm_jarvis <gh@progrm-jarvis.ru>"]
 edition = "2018"
 
 [dependencies]
-peg = "0.6.3"
+peg = "0.8.1"