diff --git a/pom.xml b/pom.xml
index 271dd22fd..48f1f26df 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
 
     <properties>
         <sirius.kernel>dev-42.3.0</sirius.kernel>
-        <sirius.web>dev-76.0.0</sirius.web>
+        <sirius.web>dev-77.0.1</sirius.web>
         <sirius.db>dev-57.0.0</sirius.db>
     </properties>
 
diff --git a/src/main/resources/default/templates/biz/tenants/tenant-saml.html.pasta b/src/main/resources/default/templates/biz/tenants/tenant-saml.html.pasta
index 907ba8909..afde5abae 100644
--- a/src/main/resources/default/templates/biz/tenants/tenant-saml.html.pasta
+++ b/src/main/resources/default/templates/biz/tenants/tenant-saml.html.pasta
@@ -20,17 +20,10 @@
                          labelKey="TenantData.samlIssuerName" helpKey="TenantData.samlIssuerName.help"/>
             <t:textfield class="col-12"
                          name="tenantData_samlFingerprint"
-                         id="tenantData_samlFingerprint"
                          value="@tenant.getTenantData().getSamlFingerprint()"
+                         pattern="^[a-zA-Z0-9,]*$"
                          labelKey="TenantData.samlFingerprint"
                          helpKey="TenantData.samlFingerprint.help"/>
-            <script>
-                const _inputElement = document.getElementById('tenantData_samlFingerprint');
-                _inputElement.addEventListener("input", () => {
-                    const regex = new RegExp("[^A-Za-z0-9,]", "g")
-                    _inputElement.value = _inputElement.value.replace(regex, "")
-                })
-            </script>
         </div>
         <t:formBar backButton="false"/>
     </t:editForm>