diff --git a/author.php b/author.php
index ad4ff17c..769a9cc7 100644
--- a/author.php
+++ b/author.php
@@ -1,4 +1,5 @@
 <?php
+header("Cache-Control: no-cache");
 /*
  *---------------------------------------------------------------
  * APPLICATION ENVIRONMENT
diff --git a/destination.php b/destination.php
index d2b11c43..fd67aaf3 100644
--- a/destination.php
+++ b/destination.php
@@ -1,4 +1,5 @@
 <?php
+header("Cache-Control: no-cache");
 /*
  *---------------------------------------------------------------
  * APPLICATION ENVIRONMENT
diff --git a/gys.php b/gys.php
index e194fda5..a6b92e1d 100644
--- a/gys.php
+++ b/gys.php
@@ -1,4 +1,5 @@
 <?php
+header("Cache-Control: no-cache");
 /*
  *---------------------------------------------------------------
  * APPLICATION ENVIRONMENT
diff --git a/webht.php b/webht.php
index b5b41ddf..dfa50f78 100644
--- a/webht.php
+++ b/webht.php
@@ -1,4 +1,5 @@
 <?php
+header("Cache-Control: no-cache");
 /*
  *---------------------------------------------------------------
  * APPLICATION ENVIRONMENT