diff --git a/Cargo.lock b/Cargo.lock
index 0d00cd9d1..8ef4a91c8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1429,9 +1429,9 @@ dependencies = [
 
 [[package]]
 name = "mailchecker"
-version = "5.0.7"
+version = "5.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9be1bb293c2690e6b4046919cfaf1192591037fcb30e90c3f572fda2c92dbc2"
+checksum = "4c64fa7af9860896bdfe496f323ac278f256006fd248dd7730e37c5faa648b05"
 dependencies = [
  "fast_chemail",
  "once_cell",
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 42b9e8e16..6ccacfdab 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -23,7 +23,7 @@ futures = { version = "0.3.27", optional = true }
 fast-socks5 = "0.9.1"
 levenshtein = "1.0.5"
 log = "0.4.20"
-mailchecker = "5.0.7"
+mailchecker = "5.0.9"
 md5 = "0.7.0"
 once_cell = "1.18.0"
 pwned = "0.5.0"