diff --git a/completions/bash/brew b/completions/bash/brew
index c35bc77b3a..e05248d8a0 100644
--- a/completions/bash/brew
+++ b/completions/bash/brew
@@ -1814,6 +1814,7 @@ _brew_prof() {
       --quiet
       --stackprof
       --verbose
+      --vernier
       "
       return
       ;;
diff --git a/completions/fish/brew.fish b/completions/fish/brew.fish
index 7fd71e9fe0..b49787810a 100644
--- a/completions/fish/brew.fish
+++ b/completions/fish/brew.fish
@@ -1236,6 +1236,7 @@ __fish_brew_complete_arg 'prof' -l help -d 'Show this message'
 __fish_brew_complete_arg 'prof' -l quiet -d 'Make some output more quiet'
 __fish_brew_complete_arg 'prof' -l stackprof -d 'Use `stackprof` instead of `ruby-prof` (the default)'
 __fish_brew_complete_arg 'prof' -l verbose -d 'Make some output more verbose'
+__fish_brew_complete_arg 'prof' -l vernier -d 'Use `vernier` instead of `ruby-prof` (the default)'
 __fish_brew_complete_arg 'prof' -a '(__fish_brew_suggest_commands)'
 
 
diff --git a/completions/zsh/_brew b/completions/zsh/_brew
index 5a2dd129bf..b8001fc2d0 100644
--- a/completions/zsh/_brew
+++ b/completions/zsh/_brew
@@ -1529,6 +1529,7 @@ _brew_prof() {
     '--quiet[Make some output more quiet]' \
     '--stackprof[Use `stackprof` instead of `ruby-prof` (the default)]' \
     '--verbose[Make some output more verbose]' \
+    '--vernier[Use `vernier` instead of `ruby-prof` (the default)]' \
     - command \
     '*::command:__brew_commands'
 }
diff --git a/docs/Manpage.md b/docs/Manpage.md
index 54818ad3f3..5baf1665b1 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -2507,7 +2507,7 @@ Apply the bottle commit and publish bottles to a host.
 : Use the specified download strategy class for downloading the bottle's URL
   instead of Homebrew's default.
 
-### `prof` \[`--stackprof`\] *`command`* \[...\]
+### `prof` \[`--stackprof`\] \[`--vernier`\] *`command`* \[...\]
 
 Run Homebrew with a Ruby profiler. For example, `brew prof readall`.
 
@@ -2515,6 +2515,10 @@ Run Homebrew with a Ruby profiler. For example, `brew prof readall`.
 
 : Use `stackprof` instead of `ruby-prof` (the default).
 
+`--vernier`
+
+: Use `vernier` instead of `ruby-prof` (the default).
+
 ### `release` \[`--major`\] \[`--minor`\]
 
 Create a new draft Homebrew/brew release with the appropriate version number and
diff --git a/manpages/brew.1 b/manpages/brew.1
index b9ba94c5e5..a911bcc8f9 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -1598,11 +1598,14 @@ Use the specified \fIURL\fP as the root of the bottle\[u2019]s URL instead of Ho
 .TP
 \fB\-\-root\-url\-using\fP
 Use the specified download strategy class for downloading the bottle\[u2019]s URL instead of Homebrew\[u2019]s default\.
-.SS "\fBprof\fP \fR[\fB\-\-stackprof\fP] \fIcommand\fP \fR[\.\.\.]"
+.SS "\fBprof\fP \fR[\fB\-\-stackprof\fP] \fR[\fB\-\-vernier\fP] \fIcommand\fP \fR[\.\.\.]"
 Run Homebrew with a Ruby profiler\. For example, \fBbrew prof readall\fP\&\.
 .TP
 \fB\-\-stackprof\fP
 Use \fBstackprof\fP instead of \fBruby\-prof\fP (the default)\.
+.TP
+\fB\-\-vernier\fP
+Use \fBvernier\fP instead of \fBruby\-prof\fP (the default)\.
 .SS "\fBrelease\fP \fR[\fB\-\-major\fP] \fR[\fB\-\-minor\fP]"
 Create a new draft Homebrew/brew release with the appropriate version number and release notes\.
 .P