diff --git a/eng/common/scripts/Prepare-Release.ps1 b/eng/common/scripts/Prepare-Release.ps1
index e3c18af350e0..269fd113fd69 100644
--- a/eng/common/scripts/Prepare-Release.ps1
+++ b/eng/common/scripts/Prepare-Release.ps1
@@ -109,7 +109,8 @@ else
   $ParsedReleaseDate = [datetime]$ReleaseDate
 }
 
-$releaseDateString = $ParsedReleaseDate.ToString("MM/dd/yyyy")
+# Use InvariantCulture so that the date format is consistent on all machines
+$releaseDateString = $ParsedReleaseDate.ToString("MM/dd/yyyy", [CultureInfo]::InvariantCulture)
 $month = $ParsedReleaseDate.ToString("MMMM")
 
 Write-Host "Assuming release is in $month with release date $releaseDateString" -ForegroundColor Green