diff --git a/README.md b/README.md
index dfcf31ed..633d5ac9 100644
--- a/README.md
+++ b/README.md
@@ -457,7 +457,7 @@ Have a question, want to share results, or just follow development? Join us:
 <table align="center">
   <tr>
     <td align="center" width="360">
-      <img src="assets/repo_images/WeChat_Group.jpg" alt="OpenWAM WeChat group QR code" height="300">
+      <img src="assets/repo_images/WeChat_Group.png" alt="OpenWAM WeChat group QR code" height="300">
       <br><br>
       <b>WeChat Group</b>
       <br>
diff --git a/assets/repo_images/WeChat_Group.jpg b/assets/repo_images/WeChat_Group.jpg
deleted file mode 100644
index 8e38f80a..00000000
Binary files a/assets/repo_images/WeChat_Group.jpg and /dev/null differ
diff --git a/assets/repo_images/WeChat_Group.png b/assets/repo_images/WeChat_Group.png
new file mode 100644
index 00000000..752b0bf1
Binary files /dev/null and b/assets/repo_images/WeChat_Group.png differ