diff --git a/.github/ISSUE_TEMPLATE/bug_report.yml b/.github/ISSUE_TEMPLATE/bug_report.yml
index 4ae6220..c99311e 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.yml
+++ b/.github/ISSUE_TEMPLATE/bug_report.yml
@@ -32,15 +32,6 @@ body:
       placeholder: e.g. v1.1.1
     validations:
       required: true
-  - type: dropdown
-    id: pwsh_version
-    attributes:
-      label: PowerShell version
-      description: This can be found by running `$PSVersionTable` in PowerShell. If you don't see your version here, it's not supported.
-      options:
-        - '5.1'
-        - '6.x'
-        - '7.x'
     validations:
       required: true
   - type: input
diff --git a/.github/scripts/pssa-settings.psd1 b/.github/scripts/pssa-settings.psd1
index 18da217..8081c6b 100644
--- a/.github/scripts/pssa-settings.psd1
+++ b/.github/scripts/pssa-settings.psd1
@@ -18,24 +18,16 @@
 			Enable         = $true
 			# PowerShell platforms we want to check compatibility with
 			TargetProfiles = @(
-				'win-8_x64_10.0.14393.0_5.1.14393.2791_x64_4.0.30319.42000_framework', # PowerShell 5.1 on Windows Server 2016
-				'win-8_x64_10.0.17763.0_5.1.17763.316_x64_4.0.30319.42000_framework', # PowerShell 5.1 on Windows Server 2019
-				'win-48_x64_10.0.17763.0_5.1.17763.316_x64_4.0.30319.42000_framework'#, # PowerShell 5.1 on Windows 10
-				#'win-8_x64_10.0.14393.0_6.2.4_x64_4.0.30319.42000_core', # PowerShell 6.2 on Windows Server 2016
-				#'win-8_x64_10.0.17763.0_6.2.4_x64_4.0.30319.42000_core', # PowerShell 6.2 on Windows Server 2019
-				#'win-4_x64_10.0.18362.0_6.2.4_x64_4.0.30319.42000_core', # PowerShell 6.2 on Windows 10
-				#'win-8_x64_10.0.14393.0_7.0.0_x64_3.1.2_core', # PowerShell 7.0 on Windows Server 2016
-				#'win-8_x64_10.0.17763.0_7.0.0_x64_3.1.2_core', # PowerShell 7.0 on Server 2019
-				#'win-4_x64_10.0.18362.0_7.0.0_x64_3.1.2_core' # PowerShell 7.0 on Windows 10
+				'win-8_x64_10.0.14393.0_7.0.0_x64_3.1.2_core', # PowerShell 7.0 on Windows Server 2016
+				'win-8_x64_10.0.17763.0_7.0.0_x64_3.1.2_core', # PowerShell 7.0 on Server 2019
+				'win-4_x64_10.0.18362.0_7.0.0_x64_3.1.2_core' # PowerShell 7.0 on Windows 10
 			)
 		}
 		PSUseCompatibleSyntax                     = @{
 			Enable         = $true
 			# PowerShell versions we want to check compatibility with
 			TargetVersions = @(
-				'5.1'#,
-				#'6.2',
-				#'7.1'
+				'7.0'
 			)
 		}
 		PSPlaceCloseBrace                         = @{
diff --git a/Bootstrap.ps1 b/Bootstrap.ps1
index 19fbfbd..f7d0bc2 100644
--- a/Bootstrap.ps1
+++ b/Bootstrap.ps1
@@ -179,7 +179,7 @@ $vbrSessionLogger.UpdateSuccess($vbrLogEntry, '[VeeamNotify] Parsed job & sessio
 # Start a new new script in a new process with some of the information gathered here.
 # This allows Veeam to finish the current session faster and allows us gather information from the completed job.
 try {
-	$powershellExePath = (Get-Command -Name 'powershell.exe' -ErrorAction Stop).Path
+	$powershellExePath = (Get-Command -Name 'pwsh.exe' -ErrorAction Stop).Path
 	Write-LogMessage -Tag 'INFO' -Message 'Launching AlertSender.ps1...'
 	$vbrLogEntry = $vbrSessionLogger.AddLog('[VeeamNotify] Launching Alert Sender...')
 	Start-Process -FilePath "$powershellExePath" -Verb runAs -ArgumentList $powershellArguments -WindowStyle hidden -ErrorAction Stop
diff --git a/Installer.ps1 b/Installer.ps1
index 0f7ff8f..b2d99bf 100644
--- a/Installer.ps1
+++ b/Installer.ps1
@@ -260,11 +260,11 @@ function Get-InstallationSource {
 					# Query release stream
 					$releasePrompt = $true
 					$releaseTypePrompt = @{
-						Title = 'Release Selection'
+						Title       = 'Release Selection'
 						Description = "Which release type would you like to install?`nLatest stable: $latestStable`nLatest prerelease: $latestPrerelease"
-						Default = 'Yes'
-						OptionAKey = 'Stable' ; OptionATitle = 'Install Latest Stable'
-						OptionBKey = 'Prerelease' ; OptionBTitle = 'Install Latest Prerelease'
+						Default     = 'Yes'
+						OptionAKey 	= 'Stable' ; OptionATitle = 'Install Latest Stable'
+						OptionBKey 	= 'Prerelease' ; OptionBTitle = 'Install Latest Prerelease'
 					}
 					if (YesNoPrompt @releaseTypePrompt) {
 						$Latest = 'Release'
diff --git a/README.md b/README.md
index 4d94258..e33752c 100644
--- a/README.md
+++ b/README.md
@@ -42,8 +42,8 @@ As much relevant information as I've been able to discover from such backup sess
 ## Installation
 
 Requirements:
-* Veeam Backup & Replication 12 or higher.
-* PowerShell 5.1 or higher.
+* Veeam Backup & Replication 12 or higher
+* PowerShell 7
 
 Please see the [How to Install](https://github.com/tigattack/VeeamNotify/wiki/%F0%9F%94%A7-How-to-Install) wiki page.
 
diff --git a/Updater.ps1 b/Updater.ps1
index cacbfae..1de37b0 100644
--- a/Updater.ps1
+++ b/Updater.ps1
@@ -225,7 +225,7 @@ catch {
 }
 
 # Wait until the alert sender has finished running, or quit this if it's still running after 60s. It should never take that long.
-while (Get-CimInstance win32_process -Filter "name='powershell.exe' and commandline like '%AlertSender.ps1%'") {
+while (Get-CimInstance win32_process -Filter "name='pwsh.exe' and commandline like '%AlertSender.ps1%'") {
 	$timer++
 	Start-Sleep -Seconds 1
 	if ($timer -eq '90') {
diff --git a/resources/DeployVeeamConfiguration.ps1 b/resources/DeployVeeamConfiguration.ps1
index 295e6dc..f54fa14 100644
--- a/resources/DeployVeeamConfiguration.ps1
+++ b/resources/DeployVeeamConfiguration.ps1
@@ -89,8 +89,8 @@ function Update-JobWithFullPowershellPath {
 
 	try {
 		$jobOptions = $Job.GetOptions()
-		# Replace Powershell.exe with full path in a new variable for update.
-		$PostScriptFullPSPath = $PostScriptCmd -replace 'Powershell.exe', "$PowershellPath"
+		# Replace powershell.exe/pwsh.exe with full path in a new variable for update.
+		$PostScriptFullPSPath = $PostScriptCmd -replace 'powershell.exe', "$PowershellPath" -replace 'pwsh.exe', "$PowershellPath"
 		# Set job to use modified post script path
 		$jobOptions.JobScriptCommand.PostScriptCommandLine = $PostScriptFullPSPath
 		$null = Set-VeeamJobOptions -Job $Job -Options $jobOptions
@@ -217,8 +217,8 @@ function Set-BackupJobPostScript {
 
 	# Check if job is already configured for VeeamNotify
 	if ($postScriptCmd -eq $NewPostScriptCmd) {
-		# Check if job has full PowerShell.exe path
-		if ($postScriptCmd.StartsWith('powershell.exe', 'CurrentCultureIgnoreCase')) {
+		# Check if job has full powershell.exe/pwsh.exe path
+		if ($postScriptCmd.StartsWith('powershell.exe', 'CurrentCultureIgnoreCase') -or $postScriptCmd.StartsWith('pwsh.exe', 'CurrentCultureIgnoreCase')) {
 			return Update-JobWithFullPowershellPath -Job $Job -PowershellPath $PowershellPath -PostScriptCmd $postScriptCmd
 		}
 
@@ -308,7 +308,7 @@ function Start-JobConfiguration {
 
 # Get PowerShell path
 try {
-	$powershellExePath = (Get-Command -Name 'powershell.exe' -ErrorAction Stop).Path
+	$powershellExePath = (Get-Command -Name 'pwsh.exe' -ErrorAction Stop).Path
 }
 catch {
 	DeploymentError
diff --git a/resources/NotificationBuilder.psm1 b/resources/NotificationBuilder.psm1
index 61d43c5..6f3ffa8 100644
--- a/resources/NotificationBuilder.psm1
+++ b/resources/NotificationBuilder.psm1
@@ -1,6 +1,6 @@
 function New-Payload {
 	[CmdletBinding()]
-	[OutputType([PSCustomObject])]
+	[OutputType([Hashtable])]
 	param (
 		[Parameter(Mandatory)]
 		[ValidateSet('Discord', 'Slack', 'Teams', 'Telegram', 'HTTP')]
@@ -34,7 +34,7 @@ function New-Payload {
 
 function New-DiscordPayload {
 	[CmdletBinding()]
-	[OutputType([PSCustomObject])]
+	[OutputType([Hashtable])]
 	param (
 		[string]$JobName,
 		[string]$JobType,
@@ -216,7 +216,7 @@ function New-DiscordPayload {
 
 function New-TeamsPayload {
 	[CmdletBinding()]
-	[OutputType([PSCustomObject])]
+	[OutputType([Hashtable])]
 	param (
 		[string]$JobName,
 		[string]$JobType,
@@ -493,7 +493,7 @@ function New-TeamsPayload {
 
 function New-SlackPayload {
 	[CmdletBinding()]
-	[OutputType([PSCustomObject])]
+	[OutputType([Hashtable])]
 	param (
 		[string]$JobName,
 		[string]$JobType,
@@ -688,7 +688,7 @@ function New-SlackPayload {
 
 function New-TelegramPayload {
 	[CmdletBinding()]
-	[OutputType([PSCustomObject])]
+	[OutputType([Hashtable])]
 	[System.Diagnostics.CodeAnalysis.SuppressMessageAttribute(
 		'PSReviewUnusedParameter',
 		'ThumbnailUrl',
diff --git a/resources/NotificationSender.psm1 b/resources/NotificationSender.psm1
index 337347f..a855008 100644
--- a/resources/NotificationSender.psm1
+++ b/resources/NotificationSender.psm1
@@ -29,7 +29,7 @@ function Send-Payload {
 		$postParams = @{
 			Uri         = $Uri
 			Method      = $Method
-			UserAgent   = "VeeamNotify; PowerShell/$psVersion"
+			UserAgent   = "VeeamNotify (PowerShell/$psVersion)"
 			ErrorAction = 'Stop'
 		}
 
diff --git a/tests/JsonValidator.Tests.ps1 b/tests/JsonValidator.Tests.ps1
index 7673380..2ed127d 100644
--- a/tests/JsonValidator.Tests.ps1
+++ b/tests/JsonValidator.Tests.ps1
@@ -1,8 +1,3 @@
-[System.Diagnostics.CodeAnalysis.SuppressMessageAttribute(
-	'PSUseCompatibleCommands',
-	'',
-	Justification = 'Pester tests are run in modern PowerShell'
-)]
 param ()
 
 BeforeAll {