diff --git a/tests/Hcl.Tests.ps1 b/tests/Hcl.Tests.ps1
index 3a86fe0..d192c46 100644
--- a/tests/Hcl.Tests.ps1
+++ b/tests/Hcl.Tests.ps1
@@ -1,3 +1,5 @@
+#Requires -Modules @{ ModuleName = 'Pester'; ModuleVersion = '6.0.0'; MaximumVersion = '6.*' }
+
 [Diagnostics.CodeAnalysis.SuppressMessageAttribute(
     'PSReviewUnusedParameter', '',
     Justification = 'Required for Pester tests'