diff --git a/_data/people.yml b/_data/people.yml
index c2979ac..3dbe8cc 100644
--- a/_data/people.yml
+++ b/_data/people.yml
@@ -236,7 +236,7 @@ muyangli:
     display_name: "Muyang Li"
     webpage: "https://lmxyy.me"
     role: alum
-    image: /img/people/muyangli.jpeg
+    image: /img/people/muyangli.jpg
     bio: "M.S., 2023. PhD student at MIT"
 
 xiaolixi:
diff --git a/img/people/muyangli.jpeg b/img/people/muyangli.jpeg
deleted file mode 100644
index 38e2179..0000000
Binary files a/img/people/muyangli.jpeg and /dev/null differ
diff --git a/img/people/muyangli.jpg b/img/people/muyangli.jpg
new file mode 100644
index 0000000..a074340
Binary files /dev/null and b/img/people/muyangli.jpg differ