diff --git a/Cargo.lock b/Cargo.lock
index a590d61..971cf26 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2396,9 +2396,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.12.3"
+version = "1.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e10754a14b9137dd7b1e3e5b0493cc9171fdd105e0ab477f51b72e7f3ac0e276"
+checksum = "f1292b7759ae1cb9ec195452d1390a074f0cd8541ab7a5a8c31cd6db45d4a6ba"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -2419,9 +2419,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.8.6"
+version = "0.8.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "caf4aa5b0f434c91fe5c7f1ecb6a5ece2130b02ad2a590589dda5146df959001"
+checksum = "d6f6ff9a378485b298a5286656da665ba74413d36db0979633275d2e708145d4"
 
 [[package]]
 name = "reqwest"
diff --git a/crates/rustmail/Cargo.toml b/crates/rustmail/Cargo.toml
index 754338c..3903440 100644
--- a/crates/rustmail/Cargo.toml
+++ b/crates/rustmail/Cargo.toml
@@ -14,7 +14,7 @@ toml = "1.1.2"
 reqwest = { version = "0.13.4", features = ["json", "form"] }
 async-trait = "0.1.89"
 chrono = { version = "0.4.45", features = ["serde"] }
-regex = "1.12.3"
+regex = "1.12.4"
 futures = "0.3.32"
 axum = "0.8.9"
 axum-extra = { version = "0.12.5", features = ["cookie"] }