diff --git a/README-ZH.md b/README-ZH.md
index c0ba7ad3..d604589f 100644
--- a/README-ZH.md
+++ b/README-ZH.md
@@ -7,7 +7,7 @@
 
 [![Chrome Web Store](https://img.shields.io/chrome-web-store/v/ennpfpdlaclocpomkiablnmbppdnlhoh.svg)](https://chrome.google.com/webstore/detail/rust-search-extension/ennpfpdlaclocpomkiablnmbppdnlhoh)
 [![Mozilla Add-on](https://img.shields.io/amo/v/rust-search-extension?color=%2320123A)](https://addons.mozilla.org/firefox/addon/rust-search-extension/)
-[![Microsoft Edge](https://img.shields.io/badge/microsoft--edge-v1.5.0-1D4F8C)](https://microsoftedge.microsoft.com/addons/detail/olemfibpaicdoooacpfffccidjjagmoe)
+[![Microsoft Edge](https://img.shields.io/badge/microsoft--edge-v1.5.1-1D4F8C)](https://microsoftedge.microsoft.com/addons/detail/olemfibpaicdoooacpfffccidjjagmoe)
 [![license-mit](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/huhu/rust-search-extension/blob/master/LICENSE-MIT)
 [![license-apache](https://img.shields.io/badge/license-Apache-yellow.svg)](https://github.com/huhu/rust-search-extension/blob/master/LICENSE-APACHE)
 [![Discord](https://img.shields.io/discord/711895914494558250?label=chat&logo=discord)](https://discord.gg/xucZNVd)
diff --git a/README.md b/README.md
index 8bf63975..88ba52e4 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 
 [![Chrome Web Store](https://img.shields.io/chrome-web-store/v/ennpfpdlaclocpomkiablnmbppdnlhoh.svg)](https://chrome.google.com/webstore/detail/rust-search-extension/ennpfpdlaclocpomkiablnmbppdnlhoh)
 [![Mozilla Add-on](https://img.shields.io/amo/v/rust-search-extension?color=%2320123A)](https://addons.mozilla.org/firefox/addon/rust-search-extension/)
-[![Microsoft Edge](https://img.shields.io/badge/microsoft--edge-v1.5.0-1D4F8C)](https://microsoftedge.microsoft.com/addons/detail/olemfibpaicdoooacpfffccidjjagmoe)
+[![Microsoft Edge](https://img.shields.io/badge/microsoft--edge-v1.5.1-1D4F8C)](https://microsoftedge.microsoft.com/addons/detail/olemfibpaicdoooacpfffccidjjagmoe)
 [![license-mit](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/huhu/rust-search-extension/blob/master/LICENSE-MIT)
 [![license-apache](https://img.shields.io/badge/license-Apache-yellow.svg)](https://github.com/huhu/rust-search-extension/blob/master/LICENSE-APACHE)
 [![Discord](https://img.shields.io/discord/711895914494558250?label=chat&logo=discord)](https://discord.gg/xucZNVd)
diff --git a/docs/content/changelog.md b/docs/content/changelog.md
index 80ea8984..b6639103 100644
--- a/docs/content/changelog.md
+++ b/docs/content/changelog.md
@@ -15,6 +15,10 @@ weight = 3
   - Fix crate version parse bug.
   - Fix docs.rs TOC render and UI.
 
+## v1.5.1 - 2022-02-01
+
+- Improve `impl` blocks highlight effects. Fixes {{ issue(id=144) }}, {{ issue(id=145) }}.
+
 # v1.4 - 2021-10-30
 
 - New commands:
diff --git a/docs/templates/index.html b/docs/templates/index.html
index 7c89d7da..cc244011 100644
--- a/docs/templates/index.html
+++ b/docs/templates/index.html
@@ -41,7 +41,7 @@ <h3 class="text" style="text-align: center;">
     <div style="margin-top: 50px; display: flex; flex-direction: column; align-items: center">
         <a class="subtitle-text" style="text-decoration: underline; margin: 10px"
            href="https://github.com/huhu/rust-search-extension/releases">
-            Current version 1.5.0
+            Current version 1.5.1
         </a>
         <a class="btn-download chrome"
            href="https://chrome.google.com/webstore/detail/rust-search-extension/ennpfpdlaclocpomkiablnmbppdnlhoh"
diff --git a/manifest.jsonnet b/manifest.jsonnet
index 4f6b7570..2c62176e 100644
--- a/manifest.jsonnet
+++ b/manifest.jsonnet
@@ -8,7 +8,7 @@ local icons() = {
 
 local json = manifest.new(
   name='Rust Search Extension',
-  version='1.5.0',
+  version='1.5.1',
   keyword='rs',
   description='Rust Search Extension - the ultimate search extension for Rust',
 )