diff --git a/configs/zsh/functions.zsh b/configs/zsh/functions.zsh
index c701202..29b2b71 100644
--- a/configs/zsh/functions.zsh
+++ b/configs/zsh/functions.zsh
@@ -5,4 +5,5 @@ source $(dirname "$0")/functions/wp.zsh;
 source $(dirname "$0")/functions/y.zsh;
 source $(dirname "$0")/functions/fp.zsh;
 source $(dirname "$0")/functions/mke.zsh;
-source $(dirname "$0")/functions/rn.zsh;
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+source $(dirname "$0")/functions/rn.zsh;
+source $(dirname "$0")/functions/asdf-update.zsh;
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diff --git a/configs/zsh/functions/asdf-update.zsh b/configs/zsh/functions/asdf-update.zsh
new file mode 100644
index 0000000..f1ede7f
--- /dev/null
+++ b/configs/zsh/functions/asdf-update.zsh
@@ -0,0 +1,36 @@
+function asdf-update(){
+
+  function log () {
+      printf "%s %s\n" "->" "$1"
+  }
+
+  log "Updating all asdf-plugin remotes..."
+
+  asdf plugin update --all
+
+  log "Updating each plugin reference to the latest revision..."
+
+  # TODO: Maybe refactor this shit, ew.
+  cat ~/.tool-versions \
+  | awk '{print $1}' \
+  | xargs -I {} bash -c 'echo {} $(asdf latest {})' > ~/.tool-versions.new; \
+  cp ~/.tool-versions ~/.tool-versions.bk; \
+  mv ~/.tool-versions.new ~/.tool-versions
+
+  log "Old revision versions:"
+  cat ~/.tool-versions.bk
+  log "New revision versions:"
+  cat ~/.tool-versions
+
+  while true; do
+      read yn"?Do you wish to install all new revisions?"
+      case $yn in
+          [Yy]* ) asdf install; break;;
+          [Nn]* ) exit;;
+          * ) log "Please answer Yes or No.";;
+      esac
+  done
+
+  log "Done, bye! 👋"
+
+}
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