diff --git a/helmfile/apps/nubus/values-intercom-service.yaml.gotmpl b/helmfile/apps/nubus/values-intercom-service.yaml.gotmpl
index ca53069d..ba5949a9 100644
--- a/helmfile/apps/nubus/values-intercom-service.yaml.gotmpl
+++ b/helmfile/apps/nubus/values-intercom-service.yaml.gotmpl
@@ -53,6 +53,7 @@ ics:
   secret: {{ .Values.secrets.intercom.secret | quote }}
   issuerBaseUrl: "https://{{ .Values.global.hosts.keycloak }}.{{ .Values.global.domain }}/realms/{{ .Values.platform.realm }}"
   originRegex: "{{ .Values.global.domain }}"
+  enableSessionCookie: true
   userUniqueMapper: {{ if .Values.functional.chat.matrix.profile.useImmutableIdentifierForLocalpart }}"opendesk_useruuid"{{ else }}"opendesk_username"{{ end }}
   usernameClaim: "opendesk_username"
   keycloak:
diff --git a/helmfile/environments/default/charts.yaml.gotmpl b/helmfile/environments/default/charts.yaml.gotmpl
index 0a24ffe5..c1b24292 100644
--- a/helmfile/environments/default/charts.yaml.gotmpl
+++ b/helmfile/environments/default/charts.yaml.gotmpl
@@ -141,7 +141,7 @@ charts:
     registry: "registry.opencode.de"
     repository: "bmi/opendesk/components/supplier/univention/charts-mirror"
     name: "intercom-service"
-    version: "2.10.3"
+    version: "2.12.0"
     verify: true
   jitsi:
     # providerCategory: "Platform"
diff --git a/helmfile/environments/default/images.yaml.gotmpl b/helmfile/environments/default/images.yaml.gotmpl
index 1747fcdf..5962162e 100644
--- a/helmfile/environments/default/images.yaml.gotmpl
+++ b/helmfile/environments/default/images.yaml.gotmpl
@@ -153,7 +153,7 @@ images:
     # upstreamMirrorStartFrom: ["2", "1", "0"]
     registry: "registry.opencode.de"
     repository: "bmi/opendesk/components/supplier/univention/images-mirror/intercom-service"
-    tag: "2.10.3@sha256:7b767f7a3f0e6c43e0f287374fd7fc758ec73e9fdb760a88150a64b2a33d1b66"
+    tag: "2.12.0@sha256:380476d849fb353dc167ba52a6b0f6235b3fa7561c082e65c37e2242cedb0df1"
   jibri:
     # providerCategory: "Supplier"
     # providerResponsible: "Nordeck"