diff --git a/_config.yml b/_config.yml
index f69371a..6dd70a9 100644
--- a/_config.yml
+++ b/_config.yml
@@ -105,7 +105,7 @@ analytics:
 # Site Author
 author:
   name             : "Hasan Çelik"
-  avatar           : "/assets/images/bio/hc2.png" # path of avatar image, e.g. "/assets/images/bio-photo.jpg"
+  avatar           : "/assets/images/bio/hc4.png" # path of avatar image, e.g. "/assets/images/bio-photo.jpg", "/assets/images/bio/hc2.png"
   bio              : "Kendini geliştirmeyi seven, tutkulu bir yazılımcı"
   location         : # "Ankara/Turkey"
   email            : # "hsnclk1985@gmail.com"
diff --git a/assets/images/bio/hc4.png b/assets/images/bio/hc4.png
new file mode 100644
index 0000000..2628c98
Binary files /dev/null and b/assets/images/bio/hc4.png differ
diff --git a/assets/images/bio/hc5.png b/assets/images/bio/hc5.png
new file mode 100644
index 0000000..dc46bfd
Binary files /dev/null and b/assets/images/bio/hc5.png differ