diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46924c6..b5308cc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.1.1] - 2021-09-30
+### Changed
+- Updates clean-css dependency to version 5.2.1
+
 ## [1.1.0] - 2021-09-25
 ### Changed
 - Updates clean-css dependency to version 5.2.0
@@ -23,7 +27,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Updates clean-css dependency to version 5.1.4
 
 
-[Unreleased]: https://github.com/clean-css/clean-css.github.io/compare/v1.1.0...HEAD
+[Unreleased]: https://github.com/clean-css/clean-css.github.io/compare/v1.1.1...HEAD
+[1.1.1]: https://github.com/clean-css/clean-css.github.io/releases/tag/v1.1.1
 [1.1.0]: https://github.com/clean-css/clean-css.github.io/releases/tag/v1.1.0
 [1.0.2]: https://github.com/clean-css/clean-css.github.io/releases/tag/v1.0.2
 [1.0.1]: https://github.com/clean-css/clean-css.github.io/releases/tag/v1.0.1
diff --git a/package.json b/package.json
index 4518e1c..d18e4d2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "svelte-app",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "scripts": {
     "build": "cross-env NODE_ENV=production webpack",
     "start": "webpack serve --content-base public",
@@ -30,7 +30,7 @@
   },
   "dependencies": {
     "bootstrap": "^5.0.1",
-    "clean-css": "^5.2.0",
+    "clean-css": "^5.2.1",
     "file-saver": "^2.0.5",
     "os-browserify": "^0.3.0",
     "path-browserify": "^1.0.1",
diff --git a/yarn.lock b/yarn.lock
index 118aa2f..7831ba9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -687,10 +687,10 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
-clean-css@^5.2.0:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-5.2.0.tgz#44e4a04e8873ff0041df97acecf23a4a6519844e"
-  integrity sha512-2639sWGa43EMmG7fn8mdVuBSs6HuWaSor+ZPoFWzenBc6oN+td8YhTfghWXZ25G1NiiSvz8bOFBS7PdSbTiqEA==
+clean-css@^5.2.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-5.2.1.tgz#e5bdb1bee5f332c67e98cb6181251d4f88c0a6ab"
+  integrity sha512-ooQCa1/70oRfVdUUGjKpbHuxgMgm8BsDT5EBqBGvPxMoRoGXf4PNx5mMnkjzJ9Ptx4vvmDdha0QVh86QtYIk1g==
   dependencies:
     source-map "~0.6.0"