diff --git a/tests/AST.Tests.ps1 b/tests/AST.Tests.ps1
index 073b16f..3d24b9e 100644
--- a/tests/AST.Tests.ps1
+++ b/tests/AST.Tests.ps1
@@ -1,4 +1,4 @@
-#Requires -Modules @{ ModuleName = 'Pester'; RequiredVersion = '5.8.0'; GUID = 'a699dea5-2c73-4616-a270-1f7abb777e71' }
+#Requires -Modules @{ ModuleName = 'Pester'; ModuleVersion = '6.0.0'; MaximumVersion = '6.*' }
 
 Describe 'Core' {
     Context "Function: 'Get-AstScript'" {