diff --git a/completions/fish/brew.fish b/completions/fish/brew.fish
index 22f10bacd3..faab9d980b 100644
--- a/completions/fish/brew.fish
+++ b/completions/fish/brew.fish
@@ -1147,7 +1147,7 @@ __fish_brew_complete_arg 'pr-automerge' -l tap -d 'Target tap repository (defaul
 __fish_brew_complete_arg 'pr-automerge' -l verbose -d 'Make some output more verbose'
 __fish_brew_complete_arg 'pr-automerge' -l with-label -d 'Pull requests must have this label'
 __fish_brew_complete_arg 'pr-automerge' -l without-approval -d 'Pull requests do not require approval to be merged'
-__fish_brew_complete_arg 'pr-automerge' -l without-labels -d 'Pull requests must not have these labels (default: `do not merge`, `new formula`, `automerge-skip`, `CI-published-bottle-commits`)'
+__fish_brew_complete_arg 'pr-automerge' -l without-labels -d 'Pull requests must not have these labels (default: `do not merge`, `new formula`, `automerge-skip`, `pre-release`, `CI-published-bottle-commits`)'
 __fish_brew_complete_arg 'pr-automerge' -l workflow -d 'Workflow file to use with `brew pr-publish`'
 
 
diff --git a/completions/zsh/_brew b/completions/zsh/_brew
index c4a5657009..0839997dab 100644
--- a/completions/zsh/_brew
+++ b/completions/zsh/_brew
@@ -1422,7 +1422,7 @@ _brew_pr_automerge() {
     '--verbose[Make some output more verbose]' \
     '--with-label[Pull requests must have this label]' \
     '--without-approval[Pull requests do not require approval to be merged]' \
-    '--without-labels[Pull requests must not have these labels (default: `do not merge`, `new formula`, `automerge-skip`, `CI-published-bottle-commits`)]' \
+    '--without-labels[Pull requests must not have these labels (default: `do not merge`, `new formula`, `automerge-skip`, `pre-release`, `CI-published-bottle-commits`)]' \
     '--workflow[Workflow file to use with `brew pr-publish`]'
 }
 
diff --git a/docs/Manpage.md b/docs/Manpage.md
index 0a6d77456b..380b157e96 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -1323,7 +1323,7 @@ Find pull requests that can be automatically merged using `brew pr-publish`.
 * `--with-label`:
   Pull requests must have this label.
 * `--without-labels`:
-  Pull requests must not have these labels (default: `do not merge`, `new formula`, `automerge-skip`, `CI-published-bottle-commits`).
+  Pull requests must not have these labels (default: `do not merge`, `new formula`, `automerge-skip`, `pre-release`, `CI-published-bottle-commits`).
 * `--without-approval`:
   Pull requests do not require approval to be merged.
 * `--publish`:
diff --git a/manpages/brew.1 b/manpages/brew.1
index a884e3db51..084df9013a 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -1886,7 +1886,7 @@ Pull requests must have this label\.
 .
 .TP
 \fB\-\-without\-labels\fR
-Pull requests must not have these labels (default: \fBdo not merge\fR, \fBnew formula\fR, \fBautomerge\-skip\fR, \fBCI\-published\-bottle\-commits\fR)\.
+Pull requests must not have these labels (default: \fBdo not merge\fR, \fBnew formula\fR, \fBautomerge\-skip\fR, \fBpre\-release\fR, \fBCI\-published\-bottle\-commits\fR)\.
 .
 .TP
 \fB\-\-without\-approval\fR