diff --git a/_data/social_media.yml b/_data/social_media.yml
index 8a97f5d..95f77d5 100644
--- a/_data/social_media.yml
+++ b/_data/social_media.yml
@@ -43,7 +43,7 @@ medium:
 
 stackoverflow:
   name: Stack Overflow
-  profile_url_prefix: http://stackoverflow.com/u/
+  profile_url_prefix: https://stackoverflow.com/u/
   icon_svg: '<svg height="24" fill="#959da5" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 120 120"><path class="st0" d="M84.4 93.8V70.6h7.7v30.9H22.6V70.6h7.7v23.2z"/><path class="st1" d="M38.8 68.4l37.8 7.9 1.6-7.6-37.8-7.9-1.6 7.6zm5-18l35 16.3 3.2-7-35-16.4-3.2 7.1zm9.7-17.2l29.7 24.7 4.9-5.9-29.7-24.7-4.9 5.9zm19.2-18.3l-6.2 4.6 23 31 6.2-4.6-23-31zM38 86h38.6v-7.7H38V86z"/></svg>'
 
 telegram: