diff --git a/.github/workflows/build-validation.yaml b/.github/workflows/build-validation.yaml
index 85c5e6ffe..3d70ff7b8 100644
--- a/.github/workflows/build-validation.yaml
+++ b/.github/workflows/build-validation.yaml
@@ -41,9 +41,9 @@ jobs:
         if: steps.filter.outputs.pwshmodule == 'true'
         shell: pwsh
         run: |
-          # Pester 5.7.1+ is required for the coverage configuration used in pester.ps1.
+          # Pester 6.0.0-rc4 is installed explicitly because prereleases are not selected by -MinimumVersion.
           # Installed on every leg so behavior stays consistent across the matrix.
-          Install-Module Pester -MinimumVersion 5.7.1 -Force -SkipPublisherCheck -Scope CurrentUser -AllowClobber
+          Install-Module Pester -RequiredVersion 6.0.0-rc4 -AllowPrerelease -Force -SkipPublisherCheck -Scope CurrentUser -AllowClobber
           Install-Module PSFramework -Force -SkipPublisherCheck -Scope CurrentUser -AllowClobber
           Install-Module PSModuleDevelopment -Force -SkipPublisherCheck -Scope CurrentUser -AllowClobber
           Install-Module Microsoft.Graph.Authentication -Force -SkipPublisherCheck -Scope CurrentUser -AllowClobber
diff --git a/.github/workflows/update-tag-documentation.yml b/.github/workflows/update-tag-documentation.yml
index 6d9b2992c..b2b40e2e5 100644
--- a/.github/workflows/update-tag-documentation.yml
+++ b/.github/workflows/update-tag-documentation.yml
@@ -24,7 +24,7 @@ jobs:
 
       - name: Set up PowerShell modules
         run: |
-          pwsh -NoLogo -NoProfile -Command "Install-Module Pester -Scope CurrentUser -Force -SkipPublisherCheck"
+          pwsh -NoLogo -NoProfile -Command "Install-Module Pester -RequiredVersion 6.0.0-rc4 -AllowPrerelease -Scope CurrentUser -Force -SkipPublisherCheck"
 
       - name: Generate tags document
         run: pwsh -NoLogo -NoProfile -File build/Update-TagsDocumentation.ps1
diff --git a/build/Test-PSModule.ps1 b/build/Test-PSModule.ps1
index 3b9a5f4ac..9e6290ed8 100644
--- a/build/Test-PSModule.ps1
+++ b/build/Test-PSModule.ps1
@@ -33,7 +33,7 @@ Import-Module "$PSScriptRoot\CommonFunctions.psm1" -Force -WarningAction Silentl
 ## Restore Module Dependencies
 &$PSScriptRoot\Restore-PSModuleDependencies.ps1 -ModuleManifestPath $ModuleManifestPath -PSModuleCacheDirectory $PSModuleCacheDirectoryInfo.FullName | Out-Null
 
-Import-Module Pester -MinimumVersion 5.0.0
+Import-Module Pester -RequiredVersion 6.0.0
 #$PSModule = Import-Module $ModulePath -PassThru -Force
 
 $PesterConfiguration = New-PesterConfiguration (Import-PowerShellDataFile $PesterConfigurationFileInfo.FullName)
diff --git a/build/Update-CommandReference.ps1 b/build/Update-CommandReference.ps1
index 2085aa4b8..311d21519 100644
--- a/build/Update-CommandReference.ps1
+++ b/build/Update-CommandReference.ps1
@@ -4,11 +4,11 @@
 
 if (-not (Get-Module Alt3.Docusaurus.Powershell -ListAvailable)) { Install-Module Alt3.Docusaurus.Powershell -Scope CurrentUser -Force -SkipPublisherCheck }
 if (-not (Get-Module PlatyPS -ListAvailable)) { Install-Module PlatyPS -Scope CurrentUser -Force -SkipPublisherCheck }
-if (-not (Get-Module Pester -ListAvailable)) { Install-Module Pester -Scope CurrentUser -Force -SkipPublisherCheck }
+if (-not (Get-Module Pester -ListAvailable | Where-Object { $_.Version -eq '6.0.0' })) { Install-Module Pester -RequiredVersion 6.0.0-rc4 -AllowPrerelease -Scope CurrentUser -Force -SkipPublisherCheck }
 
 Import-Module Alt3.Docusaurus.Powershell
 Import-Module PlatyPS
-Import-Module Pester
+Import-Module Pester -RequiredVersion 6.0.0
 Import-Module DnsClient
 
 # Generate the command reference markdown
diff --git a/powershell/tests/pester.ps1 b/powershell/tests/pester.ps1
index 601496adc..6f176df76 100644
--- a/powershell/tests/pester.ps1
+++ b/powershell/tests/pester.ps1
@@ -26,7 +26,7 @@ Remove-Module Maester -ErrorAction Ignore
 Import-Module "$PSScriptRoot\..\Maester.psd1"
 
 Import-Module PSModuleDevelopment
-Import-Module Pester
+Import-Module Pester -RequiredVersion 6.0.0
 
 Write-PSFMessage -Level Important -Message "Creating test result folder"
 $null = New-Item -Path "$PSScriptRoot\..\.." -Name TestResults -ItemType Directory -Force