diff --git a/PKGBUILD b/PKGBUILD
index 002be8d..512c468 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -56,6 +56,7 @@ package() {
 
   install -Dm644 etc/completion.bash "$pkgdir/usr/share/bash-completion/completions/crystal"
   install -Dm644 etc/completion.zsh "$pkgdir/usr/share/zsh/site-functions/_crystal"
+  install -Dm644 etc/completion.fish "$pkgdir/usr/share/fish/vendor_completions.d/crystal"
 
   install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
 }