diff --git a/Cargo.lock b/Cargo.lock
index f24d0c5..43ccc57 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -279,6 +279,7 @@ dependencies = [
  "config",
  "env_logger",
  "google-gmail1",
+ "lazy-regex",
  "log",
  "serde",
  "serde_json",
@@ -930,6 +931,29 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "lazy-regex"
+version = "3.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60c7310b93682b36b98fa7ea4de998d3463ccbebd94d935d6b48ba5b6ffa7126"
+dependencies = [
+ "lazy-regex-proc_macros",
+ "once_cell",
+ "regex",
+]
+
+[[package]]
+name = "lazy-regex-proc_macros"
+version = "3.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ba01db5ef81e17eb10a5e0f2109d1b3a3e29bac3070fdbd7d156bf7dbd206a1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "regex",
+ "syn",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.176"