diff --git a/bun.lockb b/bun.lockb
index bf045c4..27acb1c 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index 41d0704..b1ef8f6 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   },
   "dependencies": {
     "datauri": "^4.1.0",
-    "posthtml": "^0.12.0"
+    "posthtml": "^0.16.6"
   },
   "devDependencies": {
     "@types/jest": "^29.5.12",
diff --git a/src/inlineFavicon.ts b/src/inlineFavicon.ts
index 245dbca..246b667 100644
--- a/src/inlineFavicon.ts
+++ b/src/inlineFavicon.ts
@@ -1,23 +1,23 @@
 import Datauri from "datauri/sync";
-import path from "path";
-import { PostHTML } from "posthtml";
+import path from "node:path";
+import { type Plugin } from "posthtml";
 
-function inlineFavicon(options: IOptions = { path: "" }) {
-  return function plugin(tree: PostHTML.Node) {
+function inlineFavicon(options: IOptions = { path: "" }): Plugin<void> {
+  return function plugin(tree) {
     tree.match(
       {
         tag: "link",
         attrs: { rel: new RegExp(/icon/), href: new RegExp(/\S+/) },
       },
       (node) => {
-        const href = node.attrs!.href as string;
+        const href = node.attrs.href;
         const file = path.join(process.cwd(), options.path || "", href);
 
         const { base64 } = Datauri(file);
 
-        node.attrs!.rel = "icon";
-        node.attrs!.type = "image/png";
-        node.attrs!.href = `data:image/png;base64,${base64}`;
+        node.attrs.rel = "icon";
+        node.attrs.type = "image/png";
+        node.attrs.href = `data:image/png;base64,${base64}`;
 
         return node;
       },