diff --git a/actions_bootstrap.ps1 b/actions_bootstrap.ps1
index 2368270..3859669 100644
--- a/actions_bootstrap.ps1
+++ b/actions_bootstrap.ps1
@@ -7,30 +7,30 @@ Get-PackageProvider -Name Nuget -ForceBootstrap | Out-Null
 Set-PSRepository -Name PSGallery -InstallationPolicy Trusted
 
 # List of PowerShell Modules required for the build
-$modulesToInstall = [System.Collections.ArrayList]::new()
+$modulesToInstall = New-Object System.Collections.Generic.List[object]
 # https://github.com/PowerShell/Plaster
-$null = $modulesToInstall.Add(([PSCustomObject]@{
-    ModuleName    = 'Plaster'
-    ModuleVersion = '1.1.4'
-}))
+[void]$modulesToInstall.Add(([PSCustomObject]@{
+            ModuleName    = 'Plaster'
+            ModuleVersion = '1.1.4'
+        }))
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Pester'
             ModuleVersion = '5.5.0'
         }))
 # https://github.com/nightroman/Invoke-Build
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'InvokeBuild'
             ModuleVersion = '5.10.5'
         }))
 # https://github.com/PowerShell/PSScriptAnalyzer
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'PSScriptAnalyzer'
             ModuleVersion = '1.21.0'
         }))
 # https://github.com/PowerShell/platyPS
 # older version used due to: https://github.com/PowerShell/platyPS/issues/457
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'platyPS'
             ModuleVersion = '0.12.0'
         }))
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 7227d91..5a884f7 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Catesta template module changes
     - Added `MarkdownRepair.ps1` and added Markdown repair logic to InvokeBuild script. This is to account for an issue in PowerShell `7.4.0`+ where a new parameter was introduced that platyPS can not handle during help creation. Ref: [platyPS issue]([text](https://github.com/PowerShell/platyPS/issues/595)).
         - If a build is run and the build environment is `7.4.0`+ the Markdown repair will run to account for the new parameter and repair markdown for help creation.
+    - Replaced uses of `System.Collections.ArrayList` with `System.Collections.Generic.List` throughout.
     - CI/CD Changes:
         - Azure:
             - Updated `testRunner` alias reference to `testResultsFormat`
@@ -21,11 +22,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
         - Plaster bumped from `1.1.3` to `1.1.4`
         - Pester bumped from `5.4.0` to `5.5.0`
         - InvokeBuild bumped from `5.10.2` to `5.10.5`
-
 - Catesta primary module changes
     - Added `MarkdownRepair.ps1` and added Markdown repair logic to InvokeBuild script.
     - Updated `LicenseUri` and `IconUri` link in `psd1` manifest.
     - Updated link references in inline help for both public functions
+    - Replaced uses of `System.Collections.ArrayList` with `System.Collections.Generic.List` throughout.
     - Plaster bumped from `1.1.3` to `1.1.4`
     - Pester bumped from `5.4.0` to `5.5.0`
     - InvokeBuild bumped from `5.10.2` to `5.10.5`
diff --git a/src/Catesta/Resources/AWS/install_modules.ps1 b/src/Catesta/Resources/AWS/install_modules.ps1
index 4edf197..413ab62 100644
--- a/src/Catesta/Resources/AWS/install_modules.ps1
+++ b/src/Catesta/Resources/AWS/install_modules.ps1
@@ -41,12 +41,12 @@ $VerbosePreference = 'SilentlyContinue'
 
 # List of PowerShell Modules required for the build
 # The AWS PowerShell Modules are added below, based on the $PSEdition
-$modulesToInstall = [System.Collections.ArrayList]::new()
+$modulesToInstall = New-Object System.Collections.Generic.List[object]
 <%
 if ($PLASTER_PARAM_Pester-eq '4') {
 @'
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
     ModuleName    = 'Pester'
     ModuleVersion = '4.10.1'
     BucketName    = '<%=$PLASTER_PARAM_S3Bucket%>'
@@ -57,7 +57,7 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 elseif ($PLASTER_PARAM_Pester-eq '5') {
 @'
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
     ModuleName    = 'Pester'
     ModuleVersion = '5.5.0'
     BucketName    = '<%=$PLASTER_PARAM_S3Bucket%>'
@@ -66,25 +66,25 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 '@
 }
 %>
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'InvokeBuild'
             ModuleVersion = '5.10.5'
             BucketName    = '<%=$PLASTER_PARAM_S3Bucket%>'
             KeyPrefix     = ''
         }))
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'PSScriptAnalyzer'
             ModuleVersion = '1.21.0'
             BucketName    = '<%=$PLASTER_PARAM_S3Bucket%>'
             KeyPrefix     = ''
         }))
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'platyPS'
             ModuleVersion = '0.12.0'
             BucketName    = '<%=$PLASTER_PARAM_S3Bucket%>'
             KeyPrefix     = ''
         }))
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'AWS.Tools.Common'
             ModuleVersion = '4.1.133'
             BucketName    = '<%=$PLASTER_PARAM_S3Bucket%>'
@@ -94,7 +94,7 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 <%
 if ($PLASTER_PARAM_VAULT -eq 'VAULT') {
     @'
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Microsoft.PowerShell.SecretManagement'
             ModuleVersion = '1.1.2'
             BucketName    = '<%=$PLASTER_PARAM_S3Bucket%>'
@@ -113,7 +113,7 @@ if ($galleryDownload -eq $false) {
         if ($PSEdition -eq 'Core') {
             $moduleInstallPath = [System.IO.Path]::Combine($env:ProgramFiles, 'PowerShell', 'Modules')
             # Add the AWSPowerShell.NetCore Module
-            # $null = $modulesToInstall.Add(([PSCustomObject]@{
+            # [void]$modulesToInstall.Add(([PSCustomObject]@{
             #     ModuleName    = 'AWSPowerShell.NetCore'
             #     ModuleVersion = '3.3.604.0'
             #     BucketName    = 'ps-invoke-modules'
@@ -123,7 +123,7 @@ if ($galleryDownload -eq $false) {
         else {
             $moduleInstallPath = [System.IO.Path]::Combine($env:ProgramFiles, 'WindowsPowerShell', 'Modules')
             # Add the AWSPowerShell Module
-            # $null = $modulesToInstall.Add(([PSCustomObject]@{
+            # [void]$modulesToInstall.Add(([PSCustomObject]@{
             #     ModuleName    = 'AWSPowerShell'
             #     ModuleVersion = '3.3.604.0'
             #     BucketName    = 'ps-invoke-modules'
@@ -135,7 +135,7 @@ if ($galleryDownload -eq $false) {
         $moduleInstallPath = [System.IO.Path]::Combine('/', 'usr', 'local', 'share', 'powershell', 'Modules')
 
         # Add the AWSPowerShell.NetCore Module
-        # $null = $modulesToInstall.Add(([PSCustomObject]@{
+        # [void]$modulesToInstall.Add(([PSCustomObject]@{
         #     ModuleName    = 'AWSPowerShell.NetCore'
         #     ModuleVersion = '3.3.604.0'
         #     BucketName    = 'ps-invoke-modules'
@@ -145,7 +145,7 @@ if ($galleryDownload -eq $false) {
     elseif ($PSEdition -eq 'Desktop') {
         $moduleInstallPath = [System.IO.Path]::Combine($env:ProgramFiles, 'WindowsPowerShell', 'Modules')
         # Add the AWSPowerShell Module
-        # $null = $modulesToInstall.Add(([PSCustomObject]@{
+        # [void]$modulesToInstall.Add(([PSCustomObject]@{
         #     ModuleName    = 'AWSPowerShell'
         #     ModuleVersion = '3.3.604.0'
         #     BucketName    = 'ps-invoke-modules'
diff --git a/src/Catesta/Resources/AppVeyor/actions_bootstrap.ps1 b/src/Catesta/Resources/AppVeyor/actions_bootstrap.ps1
index 6cae12c..ddc0402 100644
--- a/src/Catesta/Resources/AppVeyor/actions_bootstrap.ps1
+++ b/src/Catesta/Resources/AppVeyor/actions_bootstrap.ps1
@@ -7,12 +7,12 @@ Get-PackageProvider -Name Nuget -ForceBootstrap | Out-Null
 Set-PSRepository -Name PSGallery -InstallationPolicy Trusted
 
 # List of PowerShell Modules required for the build
-$modulesToInstall = [System.Collections.ArrayList]::new()
+$modulesToInstall = New-Object System.Collections.Generic.List[object]
 <%
 if ($PLASTER_PARAM_Pester-eq '4') {
 @'
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Pester'
             ModuleVersion = '4.10.1'
         }))
@@ -21,7 +21,7 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 elseif ($PLASTER_PARAM_Pester-eq '5') {
 @'
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Pester'
             ModuleVersion = '5.5.0'
         }))
@@ -29,18 +29,18 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 }
 %>
 # https://github.com/nightroman/Invoke-Build
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'InvokeBuild'
             ModuleVersion = '5.10.5'
         }))
 # https://github.com/PowerShell/PSScriptAnalyzer
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'PSScriptAnalyzer'
             ModuleVersion = '1.21.0'
         }))
 # https://github.com/PowerShell/platyPS
 # older version used due to: https://github.com/PowerShell/platyPS/issues/457
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'platyPS'
             ModuleVersion = '0.12.0'
         }))
@@ -48,7 +48,7 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 <%
 if ($PLASTER_PARAM_VAULT -eq 'VAULT') {
     @'
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Microsoft.PowerShell.SecretManagement'
             ModuleVersion = '1.1.2'
         }))
diff --git a/src/Catesta/Resources/Azure/actions_bootstrap.ps1 b/src/Catesta/Resources/Azure/actions_bootstrap.ps1
index 6cae12c..ddc0402 100644
--- a/src/Catesta/Resources/Azure/actions_bootstrap.ps1
+++ b/src/Catesta/Resources/Azure/actions_bootstrap.ps1
@@ -7,12 +7,12 @@ Get-PackageProvider -Name Nuget -ForceBootstrap | Out-Null
 Set-PSRepository -Name PSGallery -InstallationPolicy Trusted
 
 # List of PowerShell Modules required for the build
-$modulesToInstall = [System.Collections.ArrayList]::new()
+$modulesToInstall = New-Object System.Collections.Generic.List[object]
 <%
 if ($PLASTER_PARAM_Pester-eq '4') {
 @'
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Pester'
             ModuleVersion = '4.10.1'
         }))
@@ -21,7 +21,7 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 elseif ($PLASTER_PARAM_Pester-eq '5') {
 @'
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Pester'
             ModuleVersion = '5.5.0'
         }))
@@ -29,18 +29,18 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 }
 %>
 # https://github.com/nightroman/Invoke-Build
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'InvokeBuild'
             ModuleVersion = '5.10.5'
         }))
 # https://github.com/PowerShell/PSScriptAnalyzer
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'PSScriptAnalyzer'
             ModuleVersion = '1.21.0'
         }))
 # https://github.com/PowerShell/platyPS
 # older version used due to: https://github.com/PowerShell/platyPS/issues/457
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'platyPS'
             ModuleVersion = '0.12.0'
         }))
@@ -48,7 +48,7 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 <%
 if ($PLASTER_PARAM_VAULT -eq 'VAULT') {
     @'
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Microsoft.PowerShell.SecretManagement'
             ModuleVersion = '1.1.2'
         }))
diff --git a/src/Catesta/Resources/Bitbucket/actions_bootstrap.ps1 b/src/Catesta/Resources/Bitbucket/actions_bootstrap.ps1
index 6cae12c..ddc0402 100644
--- a/src/Catesta/Resources/Bitbucket/actions_bootstrap.ps1
+++ b/src/Catesta/Resources/Bitbucket/actions_bootstrap.ps1
@@ -7,12 +7,12 @@ Get-PackageProvider -Name Nuget -ForceBootstrap | Out-Null
 Set-PSRepository -Name PSGallery -InstallationPolicy Trusted
 
 # List of PowerShell Modules required for the build
-$modulesToInstall = [System.Collections.ArrayList]::new()
+$modulesToInstall = New-Object System.Collections.Generic.List[object]
 <%
 if ($PLASTER_PARAM_Pester-eq '4') {
 @'
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Pester'
             ModuleVersion = '4.10.1'
         }))
@@ -21,7 +21,7 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 elseif ($PLASTER_PARAM_Pester-eq '5') {
 @'
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Pester'
             ModuleVersion = '5.5.0'
         }))
@@ -29,18 +29,18 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 }
 %>
 # https://github.com/nightroman/Invoke-Build
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'InvokeBuild'
             ModuleVersion = '5.10.5'
         }))
 # https://github.com/PowerShell/PSScriptAnalyzer
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'PSScriptAnalyzer'
             ModuleVersion = '1.21.0'
         }))
 # https://github.com/PowerShell/platyPS
 # older version used due to: https://github.com/PowerShell/platyPS/issues/457
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'platyPS'
             ModuleVersion = '0.12.0'
         }))
@@ -48,7 +48,7 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 <%
 if ($PLASTER_PARAM_VAULT -eq 'VAULT') {
     @'
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Microsoft.PowerShell.SecretManagement'
             ModuleVersion = '1.1.2'
         }))
diff --git a/src/Catesta/Resources/GitHubActions/actions_bootstrap.ps1 b/src/Catesta/Resources/GitHubActions/actions_bootstrap.ps1
index 6cae12c..ddc0402 100644
--- a/src/Catesta/Resources/GitHubActions/actions_bootstrap.ps1
+++ b/src/Catesta/Resources/GitHubActions/actions_bootstrap.ps1
@@ -7,12 +7,12 @@ Get-PackageProvider -Name Nuget -ForceBootstrap | Out-Null
 Set-PSRepository -Name PSGallery -InstallationPolicy Trusted
 
 # List of PowerShell Modules required for the build
-$modulesToInstall = [System.Collections.ArrayList]::new()
+$modulesToInstall = New-Object System.Collections.Generic.List[object]
 <%
 if ($PLASTER_PARAM_Pester-eq '4') {
 @'
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Pester'
             ModuleVersion = '4.10.1'
         }))
@@ -21,7 +21,7 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 elseif ($PLASTER_PARAM_Pester-eq '5') {
 @'
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Pester'
             ModuleVersion = '5.5.0'
         }))
@@ -29,18 +29,18 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 }
 %>
 # https://github.com/nightroman/Invoke-Build
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'InvokeBuild'
             ModuleVersion = '5.10.5'
         }))
 # https://github.com/PowerShell/PSScriptAnalyzer
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'PSScriptAnalyzer'
             ModuleVersion = '1.21.0'
         }))
 # https://github.com/PowerShell/platyPS
 # older version used due to: https://github.com/PowerShell/platyPS/issues/457
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'platyPS'
             ModuleVersion = '0.12.0'
         }))
@@ -48,7 +48,7 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 <%
 if ($PLASTER_PARAM_VAULT -eq 'VAULT') {
     @'
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Microsoft.PowerShell.SecretManagement'
             ModuleVersion = '1.1.2'
         }))
diff --git a/src/Catesta/Resources/GitLab/actions_bootstrap.ps1 b/src/Catesta/Resources/GitLab/actions_bootstrap.ps1
index 6cae12c..ddc0402 100644
--- a/src/Catesta/Resources/GitLab/actions_bootstrap.ps1
+++ b/src/Catesta/Resources/GitLab/actions_bootstrap.ps1
@@ -7,12 +7,12 @@ Get-PackageProvider -Name Nuget -ForceBootstrap | Out-Null
 Set-PSRepository -Name PSGallery -InstallationPolicy Trusted
 
 # List of PowerShell Modules required for the build
-$modulesToInstall = [System.Collections.ArrayList]::new()
+$modulesToInstall = New-Object System.Collections.Generic.List[object]
 <%
 if ($PLASTER_PARAM_Pester-eq '4') {
 @'
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Pester'
             ModuleVersion = '4.10.1'
         }))
@@ -21,7 +21,7 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 elseif ($PLASTER_PARAM_Pester-eq '5') {
 @'
 # https://github.com/pester/Pester
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Pester'
             ModuleVersion = '5.5.0'
         }))
@@ -29,18 +29,18 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 }
 %>
 # https://github.com/nightroman/Invoke-Build
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'InvokeBuild'
             ModuleVersion = '5.10.5'
         }))
 # https://github.com/PowerShell/PSScriptAnalyzer
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'PSScriptAnalyzer'
             ModuleVersion = '1.21.0'
         }))
 # https://github.com/PowerShell/platyPS
 # older version used due to: https://github.com/PowerShell/platyPS/issues/457
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'platyPS'
             ModuleVersion = '0.12.0'
         }))
@@ -48,7 +48,7 @@ $null = $modulesToInstall.Add(([PSCustomObject]@{
 <%
 if ($PLASTER_PARAM_VAULT -eq 'VAULT') {
     @'
-$null = $modulesToInstall.Add(([PSCustomObject]@{
+[void]$modulesToInstall.Add(([PSCustomObject]@{
             ModuleName    = 'Microsoft.PowerShell.SecretManagement'
             ModuleVersion = '1.1.2'
         }))