diff --git a/History.md b/History.md
index 2b099fa..2516d5d 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,14 @@
-[5.2.0 / 2021-xx-xx](https://github.com/jakubpawlowicz/clean-css-cli/compare/5.1...HEAD)
+[5.2.2 / 2021-03-19](https://github.com/jakubpawlowicz/clean-css-cli/compare/v5.2.1...v5.2.2)
+==================
+
+* Bumps clean-css dependency to 5.1.2.
+
+[5.2.1 / 2021-03-03](https://github.com/jakubpawlowicz/clean-css-cli/compare/v5.2.0...v5.2.1)
+==================
+
+* Bumps clean-css dependency to 5.1.1.
+
+[5.2.0 / 2021-02-18](https://github.com/jakubpawlowicz/clean-css-cli/compare/5.1...v5.2.0)
 ==================
 
 * Bumps clean-css dependency to 5.1.0.
diff --git a/package-lock.json b/package-lock.json
index 94f2f65..fd6853a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "clean-css-cli",
-  "version": "5.1.0",
+  "version": "5.2.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -19,9 +19,9 @@
       }
     },
     "clean-css": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.1.0.tgz",
-      "integrity": "sha512-98ALLW4NOhZpvUEoSc2dJO23xE4S4SXc4mLieCVFGo8DNLTFQ3gzi7msW1lqSYJeGZSF5r5+W3KF6cEnkILnFQ==",
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.1.2.tgz",
+      "integrity": "sha512-QcaGg9OuMo+0Ds933yLOY+gHPWbxhxqF0HDexmToPf8pczvmvZGYzd+QqWp9/mkucAOKViI+dSFOqoZIvXbeBw==",
       "requires": {
         "source-map": "~0.6.0"
       },
diff --git a/package.json b/package.json
index 7d82ece..b85a53c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "clean-css-cli",
-  "version": "5.1.0",
+  "version": "5.2.2",
   "description": "A command-line interface to clean-css CSS optimization library",
   "scripts": {
     "check": "jshint ./bin/cleancss .",
@@ -34,7 +34,7 @@
   ],
   "homepage": "https://github.com/jakubpawlowicz/clean-css-cli#readme",
   "dependencies": {
-    "clean-css": "^5.1.0",
+    "clean-css": "^5.1.2",
     "commander": "7.x",
     "glob": "^7.1.6"
   },