diff --git a/Cargo.lock b/Cargo.lock
index 84d9690..645342f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
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diff --git a/Cargo.toml b/Cargo.toml
index d73bcc9..749fcb5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ path = "src/cli/main.rs"
 rustyline = { git = "https://github.com/klemens/rustyline.git", branch = "2i-emulator"}
 chrono = "0.4"
 cmdline-parser = "0.1"
-regex = "1.1.7"
+regex = "1.5.5"
 
 [dependencies.clap]
 version = "^2"