diff --git a/public/typo3conf/ext/ep_events/Configuration/TypoScript/Page/Ajax.typoscript b/public/typo3conf/ext/ep_events/Configuration/TypoScript/Page/Ajax.typoscript
index f2bdd89f..4685ac73 100644
--- a/public/typo3conf/ext/ep_events/Configuration/TypoScript/Page/Ajax.typoscript
+++ b/public/typo3conf/ext/ep_events/Configuration/TypoScript/Page/Ajax.typoscript
@@ -3,6 +3,7 @@ ajax_page_json {
     typeNum = 1703
     config {
         disableAllHeaderCode = 1
+        additionalHeaders.1.header = Cache-Control: no-cache, no-store, must-revalidate
         additionalHeaders.10.header = Content-type:application/json
         xhtml_cleaning = 0
         admPanel = 0
diff --git a/public/typo3conf/ext/ep_products/Configuration/TypoScript/setup.typoscript b/public/typo3conf/ext/ep_products/Configuration/TypoScript/setup.typoscript
index 905ec970..f620b987 100644
--- a/public/typo3conf/ext/ep_products/Configuration/TypoScript/setup.typoscript
+++ b/public/typo3conf/ext/ep_products/Configuration/TypoScript/setup.typoscript
@@ -84,6 +84,7 @@ tx_epproducts_ajax_json {
     config {
         disableAllHeaderCode = 1
         disablePrefixComment = 1
+        additionalHeaders.1.header = Cache-Control: no-cache, no-store, must-revalidate
         additionalHeaders.10.header = Content-type: application/json
         additionalHeaders.20.header = X-Robots-Tag: noindex, nofollow, noarchive
         xhtml_cleaning = 0