diff --git a/website/docs/release-notes.md b/website/docs/release-notes.md
index 507c6f931d..2f219775a1 100644
--- a/website/docs/release-notes.md
+++ b/website/docs/release-notes.md
@@ -14,6 +14,14 @@ sidebar_position: 8
 
 <!-- markdownlint-disable no-emphasis-as-heading -->
 <!-- ^ using emphasis as headings so we don't have duplicate headers -->
+## 4.2.1
+
+**Bug Fixes**
+
+- Fixed an issue where the series title part of a price scale label appeared blurry when using Firefox.
+
+[Changes since the last published version](https://github.com/tradingview/lightweight-charts/compare/v4.2.0..v4.2.1).
+
 ## 4.2.0
 
 **Enhancements**
diff --git a/website/package.json b/website/package.json
index 011c72ae57..2ef82bc43b 100644
--- a/website/package.json
+++ b/website/package.json
@@ -20,12 +20,12 @@
     "@types/react": "^17.0",
     "cross-env": "~7.0.3",
     "docusaurus-plugin-typedoc": "0.18.0",
-    "lightweight-charts": "~4.2.0",
+    "lightweight-charts": "~4.2.1",
     "lightweight-charts-local": "file:..",
     "lightweight-charts-3.8": "npm:lightweight-charts@~3.8.0",
     "lightweight-charts-4.0": "npm:lightweight-charts@~4.0.1",
     "lightweight-charts-4.1": "npm:lightweight-charts@~4.1.7",
-    "lightweight-charts-4.2": "npm:lightweight-charts@~4.2.0",
+    "lightweight-charts-4.2": "npm:lightweight-charts@~4.2.1",
     "prism-react-renderer": "~1.3.5",
     "raw-loader": "~4.0.2",
     "react": "^17.0",
diff --git a/website/versioned_docs/version-4.2/release-notes.md b/website/versioned_docs/version-4.2/release-notes.md
index 507c6f931d..2f219775a1 100644
--- a/website/versioned_docs/version-4.2/release-notes.md
+++ b/website/versioned_docs/version-4.2/release-notes.md
@@ -14,6 +14,14 @@ sidebar_position: 8
 
 <!-- markdownlint-disable no-emphasis-as-heading -->
 <!-- ^ using emphasis as headings so we don't have duplicate headers -->
+## 4.2.1
+
+**Bug Fixes**
+
+- Fixed an issue where the series title part of a price scale label appeared blurry when using Firefox.
+
+[Changes since the last published version](https://github.com/tradingview/lightweight-charts/compare/v4.2.0..v4.2.1).
+
 ## 4.2.0
 
 **Enhancements**