diff --git a/requirements.txt b/requirements.txt
index 6f1e270d6..f3c6ea5ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ jsonschema==4.25.1
 pyrsistent==0.20.0
 pywin32==311
 requests==2.32.5
-urllib3==2.5.0
+urllib3==2.6.0
diff --git a/src/pl.x64.json b/src/pl.x64.json
index 779b8eb94..e710524b7 100644
--- a/src/pl.x64.json
+++ b/src/pl.x64.json
@@ -1240,11 +1240,11 @@
 		{
 			"folder-name": "PreviewHTML",
 			"display-name": "Preview HTML",
-			"version": "1.3.3.3",
+			"version": "1.4.2.1",
 			"old-versions-compatibility": "[,1.3.3.1][,8.3.3]",
-			"id": "77dec1c1658891b1cbe70298216b3d4ad0f92f9dec6eeafdd16fc07b563812bd",
-			"repository": "https://github.com/rdipardo/npp_preview/releases/download/v1.3.3.3/PreviewHTML_v1.3.3.3_x64.zip",
-			"description": "Preview HTML files inside Notepad++ (or in a floating window) without having to save them first.",
+			"id": "0d151f3be0300240fa1da060971245dfdc9ad75f13ce98481e572c635371cab8",
+			"repository": "https://github.com/rdipardo/npp_preview/releases/download/v1.4.2.1/PreviewHTML_v1.4.2.1_x64.zip",
+			"description": "Preview HTML files inside a WebView2 embedded browser, or preview Markdown, AsciiDoc, etc., rendered as HTML by an external program.",
 			"author": "Martijn Coppoolse",
 			"homepage": "https://github.com/rdipardo/npp_preview"
 		},
diff --git a/src/pl.x86.json b/src/pl.x86.json
index f0be43ee6..a6baca9cc 100644
--- a/src/pl.x86.json
+++ b/src/pl.x86.json
@@ -1331,11 +1331,11 @@
 		{
 			"folder-name": "PreviewHTML",
 			"display-name": "Preview HTML",
-			"version": "1.3.3.3",
+			"version": "1.4.2.1",
 			"old-versions-compatibility": "[,1.3.3.1][,8.3.3]",
-			"id": "23866d85f06d1c9a7dfc4d40be6ff0a6b56ac0fb88538647d3b9e1cdf6646a9c",
-			"repository": "https://github.com/rdipardo/npp_preview/releases/download/v1.3.3.3/PreviewHTML_v1.3.3.3_win32.zip",
-			"description": "Preview HTML files inside Notepad++ (or in a floating window) without having to save them first.",
+			"id": "e47e2ac11308d3ffdd05b956c49baa4d280d65597474b2b0a0579c40ac7563ce",
+			"repository": "https://github.com/rdipardo/npp_preview/releases/download/v1.4.2.1/PreviewHTML_v1.4.2.1_win32.zip",
+			"description": "Preview HTML files inside a WebView2 embedded browser, or preview Markdown, AsciiDoc, etc., rendered as HTML by an external program.",
 			"author": "Martijn Coppoolse",
 			"homepage": "https://github.com/rdipardo/npp_preview"
 		},