diff --git a/Resources/Private/Layouts/Default.html b/Resources/Private/Layouts/Default.html
index d2f12bd..c96b50c 100644
--- a/Resources/Private/Layouts/Default.html
+++ b/Resources/Private/Layouts/Default.html
@@ -1,4 +1,4 @@
-<html xmlns:f="https://xsd.helhum.io/ns/typo3/cms-fluid/master/ViewHelpers" data-namespace-typo3-fluid="true">
+<html xmlns:f="http://typo3.org/ns/TYPO3/CMS/Fluid/ViewHelpers" data-namespace-typo3-fluid="true">
     <div class="tx-tea">
         <f:render section="main"/>
     </div>
diff --git a/Resources/Private/Templates/Tea/Index.html b/Resources/Private/Templates/Tea/Index.html
index 84d6364..362b4ef 100644
--- a/Resources/Private/Templates/Tea/Index.html
+++ b/Resources/Private/Templates/Tea/Index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html xmlns:f="https://xsd.helhum.io/ns/typo3/cms-fluid/master/ViewHelpers" data-namespace-typo3-fluid="true">
+<html xmlns:f="http://typo3.org/ns/TYPO3/CMS/Fluid/ViewHelpers" data-namespace-typo3-fluid="true">
     <f:layout name="Default"/>
 
     <f:section name="main">
diff --git a/Resources/Private/Templates/Tea/Show.html b/Resources/Private/Templates/Tea/Show.html
index 490e4b2..9bea907 100644
--- a/Resources/Private/Templates/Tea/Show.html
+++ b/Resources/Private/Templates/Tea/Show.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html xmlns:f="https://xsd.helhum.io/ns/typo3/cms-fluid/master/ViewHelpers" data-namespace-typo3-fluid="true">
+<html xmlns:f="http://typo3.org/ns/TYPO3/CMS/Fluid/ViewHelpers" data-namespace-typo3-fluid="true">
     <f:layout name="Default"/>
 
     <f:section name="main">
