diff --git a/docs/Manpage.md b/docs/Manpage.md
index 4ee78ea4ec..3cabca34c7 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -2310,6 +2310,9 @@ prefix-specific files take precedence over system-wide files (unless
 - `HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK`
   <br>If set, do not check for broken linkage of dependents or outdated dependents after installing, upgrading or reinstalling formulae. This will result in fewer dependents (and their dependencies) being upgraded or reinstalled but may result in more breakage from running `brew install` *`formula`* or `brew upgrade` *`formula`*.
 
+- `HOMEBREW_NO_UPDATE_REPORT_NEW`
+  <br>If set, `brew update` will not show the list of newly added formulae/casks.
+
 - `HOMEBREW_PIP_INDEX_URL`
   <br>If set, `brew install *`formula`*` will use this URL to download PyPI package resources.
 
diff --git a/manpages/brew.1 b/manpages/brew.1
index add813434a..da179abc45 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -3404,6 +3404,12 @@ If set, \fBbrew install\fR <formula/cask> will not upgrade <formula/cask> if it
 If set, do not check for broken linkage of dependents or outdated dependents after installing, upgrading or reinstalling formulae\. This will result in fewer dependents (and their dependencies) being upgraded or reinstalled but may result in more breakage from running \fBbrew install\fR \fIformula\fR or \fBbrew upgrade\fR \fIformula\fR\.
 .
 .TP
+\fBHOMEBREW_NO_UPDATE_REPORT_NEW\fR
+.
+.br
+If set, \fBbrew update\fR will not show the list of newly added formulae/casks\.
+.
+.TP
 \fBHOMEBREW_PIP_INDEX_URL\fR
 .
 .br