diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index 0a104f9db..8e2f78844 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -7125,9 +7125,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.12.2"
+version = "1.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "843bc0191f75f3e22651ae5f1e72939ab2f72a4bc30fa80a066bd66edefc24d4"
+checksum = "e10754a14b9137dd7b1e3e5b0493cc9171fdd105e0ab477f51b72e7f3ac0e276"
 dependencies = [
  "aho-corasick",
  "memchr",
diff --git a/codex-rs/Cargo.toml b/codex-rs/Cargo.toml
index 907806fbb..7863446c4 100644
--- a/codex-rs/Cargo.toml
+++ b/codex-rs/Cargo.toml
@@ -193,7 +193,7 @@ pulldown-cmark = "0.10"
 rand = "0.9"
 ratatui = "0.29.0"
 ratatui-macros = "0.6.0"
-regex = "1.12.2"
+regex = "1.12.3"
 regex-lite = "0.1.8"
 reqwest = "0.12"
 rmcp = { version = "0.14.0", default-features = false }