diff --git a/auto-completion/bash/buku-completion.bash b/auto-completion/bash/buku-completion.bash
index 9aa394f..2455a67 100644
--- a/auto-completion/bash/buku-completion.bash
+++ b/auto-completion/bash/buku-completion.bash
@@ -14,6 +14,7 @@ _buku () {
         -a --add
         --ai
         -c --comment
+        --cached
         --colors
         -d --delete
         --deep
@@ -52,6 +53,7 @@ _buku () {
     )
     opts_with_arg=(
         -a --add
+        --cached
         --colors
         -e --export
         --expand
diff --git a/auto-completion/fish/buku.fish b/auto-completion/fish/buku.fish
index 4977a0b..6b9f7bd 100644
--- a/auto-completion/fish/buku.fish
+++ b/auto-completion/fish/buku.fish
@@ -7,6 +7,7 @@
 complete -c buku -s a -l add     -r --description 'add bookmark'
 complete -c buku -l ai              --description 'auto-import bookmarks'
 complete -c buku -s c -l comment    --description 'comment on bookmark'
+complete -c buku -l cached       -r --description 'visit wayback machine cached version'
 complete -c buku -l colors       -r --description 'set output colors in 5-letter string'
 complete -c buku -s d -l delete     --description 'delete bookmark'
 complete -c buku -l deep            --description 'search matching substrings'
diff --git a/auto-completion/zsh/_buku b/auto-completion/zsh/_buku
index 691a9e9..af6b0b0 100644
--- a/auto-completion/zsh/_buku
+++ b/auto-completion/zsh/_buku
@@ -12,6 +12,7 @@ args=(
     '(-a --add)'{-a,--add}'[add bookmark]:URL tags'
     '(--ai)--ai[auto-import bookmarks]'
     '(-c --comment)'{-c,--comment}'[comment on bookmark]'
+    '(--cached)--cached[visit wayback machine cached version]:index/url'
     '(--colors)--colors[set output colors in 5-letter string]:color string'
     '(-d --delete)'{-d,--delete}'[delete bookmark]'
     '(--deep)--deep[search matching substrings]'