diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 9a8ce87..4b24c44 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,4 +1,4 @@
 {
-  "packages/python": "6.1.0",
+  "packages/python": "6.1.1",
   "packages/rust/core": "6.0.0"
 }
diff --git a/packages/javascript/package.json b/packages/javascript/package.json
index b0080d5..2eac0a0 100644
--- a/packages/javascript/package.json
+++ b/packages/javascript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@opendisplay/epaper-dithering",
-  "version": "6.1.0",
+  "version": "6.1.1",
   "description": "Dithering algorithms for e-paper/e-ink displays (JavaScript/TypeScript)",
   "type": "module",
   "main": "./dist/index.cjs",
@@ -43,11 +43,11 @@
     "@types/node": "^22.0.0",
     "@typescript-eslint/eslint-plugin": "^8.0.0",
     "@typescript-eslint/parser": "^8.0.0",
-    "@vitest/coverage-v8": "^3.2.7",
+    "@vitest/coverage-v8": "^2.0.0",
     "eslint": "^9.0.0",
     "tsup": "^8.0.0",
     "typescript": "^5.6.0",
-    "vitest": "^3.2.7"
+    "vitest": "^2.0.0"
   },
   "engines": {
     "node": ">=18.0.0"
diff --git a/packages/python/CHANGELOG.md b/packages/python/CHANGELOG.md
index 39ebb05..e4e036d 100644
--- a/packages/python/CHANGELOG.md
+++ b/packages/python/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [6.1.1](https://github.com/OpenDisplay/epaper-dithering/compare/epaper-dithering-v6.1.0...epaper-dithering-v6.1.1) (2026-10-07)
+
+
+### Bug Fixes
+
+* **python:** bump pyo3 to 0.29 for security advisories ([119682e](https://github.com/OpenDisplay/epaper-dithering/commit/119682edfb73a3f0f91315061c6c9cd055468eb8))
+
 ## [6.1.0](https://github.com/OpenDisplay/epaper-dithering/compare/epaper-dithering-v6.0.0...epaper-dithering-v6.1.0) (2026-10-07)
 
 
diff --git a/packages/python/pyproject.toml b/packages/python/pyproject.toml
index 6ad26d1..bcef97c 100644
--- a/packages/python/pyproject.toml
+++ b/packages/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "epaper-dithering"
-version = "6.1.0"
+version = "6.1.1"
 description = "Dithering algorithms for e-paper/e-ink displays"
 readme = "README.md"
 license = "MIT"
diff --git a/packages/python/src/epaper_dithering/__init__.py b/packages/python/src/epaper_dithering/__init__.py
index 531a4a7..4dc7f2f 100644
--- a/packages/python/src/epaper_dithering/__init__.py
+++ b/packages/python/src/epaper_dithering/__init__.py
@@ -19,7 +19,7 @@
     ColorScheme,
 )
 
-__version__ = "6.1.0"
+__version__ = "6.1.1"
 
 __all__ = [
     "dither_image",