diff --git a/src/main/resources/EC2BoxConfig.properties b/src/main/resources/EC2BoxConfig.properties
index 63a99450..00fe2af6 100755
--- a/src/main/resources/EC2BoxConfig.properties
+++ b/src/main/resources/EC2BoxConfig.properties
@@ -44,7 +44,7 @@ useEC2PvtDNS=false
 #Use private IP for instances
 useEC2PvtIP=false
 #Regular expression to enforce password policy
-passwordComplexityRegEx=((?=.*\\d)(?=.*[A-Z])(?=.*[a-z])(?=.*[!@#$%^&*()+=]).{8\,20})
+passwordComplexityRegEx=((?=.*\\d)(?=.*[A-Z])(?=.*[a-z])(?=.*[!@#$%^&*()_=\\[\\]{};':"\\\\|\,.<>\\/?+-]).{8\,20})
 #Password complexity error message
 passwordComplexityMsg=Passwords must be 8 to 20 characters\, contain one digit\, one lowercase\, one uppercase\, and one special character
 #HTTP header to identify client IP Address - 'X-FORWARDED-FOR'