diff --git a/src/_data/schedule/day_one.yml b/src/_data/schedule/day_one.yml
index 4496bae..fcf7c1e 100644
--- a/src/_data/schedule/day_one.yml
+++ b/src/_data/schedule/day_one.yml
@@ -67,8 +67,8 @@
   end_at: "16:55"
   title: "Keynote: Breaking Barriers — Empowering the Unbanked with Innovative Tech"
   speaker_id: bernard-banta
-#   slides_url:
-  youtube_id: oRtgSlJeiuw
+  slides_url: "https://speakerdeck.com/banta/breaking-barriers-empowering-the-unbanked-with-innovative-tech"
+  youtube_id: youtube_id: oRtgSlJeiuw
 - start_at: "17:00"
   end_at: "17:10"
   title: "Closing remarks & announcements"
diff --git a/src/_data/schedule/day_two.yml b/src/_data/schedule/day_two.yml
index 0228091..a8b1a94 100644
--- a/src/_data/schedule/day_two.yml
+++ b/src/_data/schedule/day_two.yml
@@ -14,7 +14,7 @@
   end_at: "10:30"
   title: "A Beginner's Complete Guide to Microcontroller Programming with Ruby"
   speaker_id: hitoshi-hasumi
-#   slides_url:
+  slides_url: "https://slide.rabbit-shocker.org/authors/hasumikin/RubyConfTH2023/"
   youtube_id: GkIRr1Xm8GU
 - start_at: "10:30"
   end_at: "10:50"