diff --git a/PSKoans/PSKoans.psd1 b/PSKoans/PSKoans.psd1
index df3e9e77..ea25792f 100644
--- a/PSKoans/PSKoans.psd1
+++ b/PSKoans/PSKoans.psd1
@@ -55,6 +55,7 @@
         @{
             ModuleName      = 'Pester'
             ModuleVersion   = '5.0.2'
+            MaximumVersion  = '5.1.1'
         }
     )