diff --git a/tests/Casing.Tests.ps1 b/tests/Casing.Tests.ps1
index 29c6498..46e90df 100644
--- a/tests/Casing.Tests.ps1
+++ b/tests/Casing.Tests.ps1
@@ -1,4 +1,6 @@
-Describe 'CasingStyle' {
+#Requires -Modules @{ ModuleName = 'Pester'; ModuleVersion = '6.0.0'; MaximumVersion = '6.*' }
+
+Describe 'CasingStyle' {
     Context 'Function: Get-CasingStyle' {
         It "Get-CasingStyle: Detects 'testtesttest' as lowercase" {
             'testtesttest' | Get-CasingStyle | Should -Be 'lowercase'
diff --git a/tests/UseCases.Tests.ps1 b/tests/UseCases.Tests.ps1
index 3567f28..0d47fff 100644
--- a/tests/UseCases.Tests.ps1
+++ b/tests/UseCases.Tests.ps1
@@ -1,4 +1,6 @@
-#--------------------------------------------------------------------
+#Requires -Modules @{ ModuleName = 'Pester'; ModuleVersion = '6.0.0'; MaximumVersion = '6.*' }
+
+#--------------------------------------------------------------------
 # Test Get-CasingStyle: verify that known inputs are detected correctly,
 # and that ambiguous strings return 'Unknown'
 #--------------------------------------------------------------------