diff --git a/build/gdrive_retention.ps1 b/build/gdrive_retention.ps1
index 3e499ad..1f6234d 100644
--- a/build/gdrive_retention.ps1
+++ b/build/gdrive_retention.ps1
@@ -1,4 +1,4 @@
- # Configuration
+# Configuration
 $rcloneRemote = "AzaionGoogleDrive:AzaionSuiteBuilds"
 $rclone = "rclone"  # Assuming rclone is available in the PATH.
 
@@ -18,11 +18,19 @@ function Write-ErrorMsg($text) {
     Write-Host "[ERROR] $text" -ForegroundColor Red
 }
 
-function Get-BuildNumber($filename) {
-    if ($filename -match "\.(\d+)\.(zip|exe)$") {
-        return [int]$matches[1]
+function Get-SortableBuildKey($filename) {
+    # This regex is specifically for the AzaionSuite filenames
+    # It captures the four-part build number (year.month.day.build)
+    if ($filename -match 'AzaionSuite\.(?:Full|Iterative)\.Stage\.(\d{4})\.(\d+)\.(\d+)\.(\d+)\.(zip|exe)$') {
+        # Create a combined key that can be sorted chronologically
+        # Example: '202507030634'
+        $year = [int]$matches[1]
+        $month = [int]$matches[2]
+        $day = [int]$matches[3]
+        $buildNumber = [int]$matches[4]
+        return "$year-$month-$day-$buildNumber"
     }
-    return 0
+    return "0000-00-00-0000"
 }
 
 Write-Header "Starting cleanup of older Full and Iterative installers on Google Drive"
@@ -48,16 +56,16 @@ $allFiles | ForEach-Object { Write-Host "  $_" }
 # --- Full Installers ---
 Write-Header 'Checking for old Full installers (AzaionSuite.Full.*.zip)'
 $fullFiles = $allFiles | Where-Object { $_ -like "AzaionSuite.Full.*.zip" } |
-    Sort-Object { Get-BuildNumber $_ } -Descending
+    Sort-Object { Get-SortableBuildKey $_ } -Descending
 
 if ($fullFiles.Count -eq 0) {
     Write-WarningMsg "No Full installer files found."
 } else {
-    Write-Info "Matching Full installer files:"
+    Write-Info "Matching Full installer files (sorted by date/build):"
     $fullFiles | ForEach-Object { Write-Host "  $_" }
 
     if ($fullFiles.Count -le 5) {
-        Write-Info "5 or fewer Full installers found — nothing to delete."
+        Write-Info "5 or fewer Full installers found — nothing to delete."
     } else {
         $fullToDelete = $fullFiles | Select-Object -Skip 5
         Write-WarningMsg "Full installers to delete:"
@@ -77,16 +85,16 @@ if ($fullFiles.Count -eq 0) {
 # --- Iterative Installers ---
 Write-Header 'Checking for old Iterative installers (AzaionSuite.Iterative.*.exe)'
 $iterativeFiles = $allFiles | Where-Object { $_ -like "AzaionSuite.Iterative.*.exe" } |
-    Sort-Object { Get-BuildNumber $_ } -Descending
+    Sort-Object { Get-SortableBuildKey $_ } -Descending
 
 if ($iterativeFiles.Count -eq 0) {
     Write-WarningMsg "No Iterative installer files found."
 } else {
-    Write-Info "Matching Iterative installer files:"
+    Write-Info "Matching Iterative installer files (sorted by date/build):"
     $iterativeFiles | ForEach-Object { Write-Host "  $_" }
 
     if ($iterativeFiles.Count -le 5) {
-        Write-Info "5 or fewer Iterative installers found — nothing to delete."
+        Write-Info "5 or fewer Iterative installers found — nothing to delete."
     } else {
         $iterativeToDelete = $iterativeFiles | Select-Object -Skip 5
         Write-WarningMsg "Iterative installers to delete:"
@@ -103,5 +111,4 @@ if ($iterativeFiles.Count -eq 0) {
     }
 }
 
-Write-Header "Cleanup script completed"
-
+Write-Header "Cleanup script completed"
\ No newline at end of file