diff --git a/conf2024/speakers/yuhei-fujita.jpeg b/conf2024/speakers/yuhei-fujita.jpeg
deleted file mode 100644
index 8ce3d12..0000000
Binary files a/conf2024/speakers/yuhei-fujita.jpeg and /dev/null differ
diff --git a/conf2024/speakers/yuhei-fujita.png b/conf2024/speakers/yuhei-fujita.png
new file mode 100644
index 0000000..6a04ab1
Binary files /dev/null and b/conf2024/speakers/yuhei-fujita.png differ