diff --git a/CHANGELOG.md b/CHANGELOG.md
index 83ad934..f9646b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - ARM NEON SIMD support (Go 1.26 `simd/archsimd` intrinsics — [#120](https://github.com/coregx/coregex/issues/120))
 - SIMD prefilter for CompositeSequenceDFA (#83)
 
+## [0.12.24] - 2026-08-22
+
+### Changed
+- **Dependencies**: `github.com/coregx/ahocorasick` v0.3.0 → v0.3.1 (LeftmostLongest
+  early return at maxPatternLen), `golang.org/x/sys` v0.40.0 → v0.47.0
+
 ## [0.12.23] - 2026-08-05
 
 ### Changed
diff --git a/ROADMAP.md b/ROADMAP.md
index c15e2e5..c4aa246 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -2,7 +2,7 @@
 
 > **Strategic Focus**: Production-grade regex engine with RE2/rust-regex level optimizations
 
-**Last Updated**: 2026-08-05 | **Current Version**: v0.12.23 | **Target**: v1.0.0 stable
+**Last Updated**: 2026-08-22 | **Current Version**: v0.12.24 | **Target**: v1.0.0 stable
 
 ---
 
@@ -108,6 +108,8 @@ v0.12.22 ✅ → Lazy memory architecture (Rust Cache model), 5-7x memory
          ↓
 v0.12.23 ✅ → ahocorasick v0.3.0 (zero-alloc Find/FindAt API)
          ↓
+v0.12.24 ✅ → deps: ahocorasick v0.3.1, x/sys v0.47.0
+         ↓
 v1.0.0-rc → Feature freeze, API locked
          ↓
 v1.0.0 STABLE → Production release with API stability guarantee
diff --git a/go.mod b/go.mod
index bfdc261..d91922e 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module github.com/coregx/coregex
 go 1.25.4
 
 require (
-	github.com/coregx/ahocorasick v0.3.0
-	golang.org/x/sys v0.40.0
+	github.com/coregx/ahocorasick v0.3.1
+	golang.org/x/sys v0.47.0
 )
diff --git a/go.sum b/go.sum
index 1197961..5aaef7d 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
-github.com/coregx/ahocorasick v0.3.0 h1:zKln33RykAkG9/eYh/trl85R6x1YChfEtrDQ3NADMsk=
-github.com/coregx/ahocorasick v0.3.0/go.mod h1:SDcS9KTiwLP8FHNpYSO3Q3mRqrK8SYJAYpygrhcIils=
-golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
-golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+github.com/coregx/ahocorasick v0.3.1 h1:1kG0szrBH+HBUaG6bRm2TWdJ+x6yJivmBsv6dfzk7ss=
+github.com/coregx/ahocorasick v0.3.1/go.mod h1:SDcS9KTiwLP8FHNpYSO3Q3mRqrK8SYJAYpygrhcIils=
+golang.org/x/sys v0.47.0 h1:o7XGOvZQCADBQQ4Y7VNq2dRWQR7JmOUW8Kxx4ZsNgWs=
+golang.org/x/sys v0.47.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=