diff --git a/shell/funcs b/shell/funcs
index 732ed6c..012f3d7 100644
--- a/shell/funcs
+++ b/shell/funcs
@@ -29,12 +29,12 @@ gicp() {
 
 # Create mp3 file from youtube video.
 _ymp3() {
-  youtube-dl --extract-audio --audio-format mp3 $1
+  yt-dlp --extract-audio --audio-format mp3 $1
 }
 
 # Only download mp4 files
 _onlymp4() {
-  youtube-dl -f 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/mp4' $1
+  yt-dlp -f "bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best" $1
 }
 
 # Retrieve new updates to my key.