diff --git a/Cargo.lock b/Cargo.lock
index 2ebf7bc..33934b3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,72 +1,42 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
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- "memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
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- "utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
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-]
-
-[[package]]
-name = "thread_local"
-version = "0.3.6"
+version = "0.6.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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-
-[[package]]
-name = "ucd-util"
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-[[package]]
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diff --git a/Cargo.toml b/Cargo.toml
index 5022298..c371de9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,4 +5,4 @@ authors = ["deemoding <wsd009811@gmail.com>"]
 edition = "2018"
 
 [dependencies]
-regex = "^1.1.2"
+regex = "^1.5.5"