diff --git a/.gitmodules b/.gitmodules
index 9ea8f57..dbc46c5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "themes/hugo-cloak-email"]
 	path = themes/hugo-cloak-email
 	url = https://github.com/martignoni/hugo-cloak-email.git
+[submodule "themes/hugo-notice"]
+	path = themes/hugo-notice
+	url = https://github.com/martignoni/hugo-notice.git
diff --git a/config.yaml b/config.yaml
index 5061043..bfda9dd 100644
--- a/config.yaml
+++ b/config.yaml
@@ -2,7 +2,7 @@ baseURL: https://emoflon.org
 languageCode: en-us
 defaultContentLanguage: en
 title: eMoflon Project Site
-theme: ["hugo-cloak-email", "cayman-hugo-theme"]
+theme: ["hugo-cloak-email", "hugo-notice", "cayman-hugo-theme"]
 
 # Syntax highlighting
 pygmentsCodefences: true
diff --git a/content/ibex/index.md b/content/ibex/index.md
index 6980e0e..51c28b0 100644
--- a/content/ibex/index.md
+++ b/content/ibex/index.md
@@ -1,6 +1,6 @@
 ---
 title: "eMoflon::IBeX"
-date: 2023-01-30
+date: 2024-10-08
 draft: false
 ---
 
@@ -45,6 +45,10 @@ Besides that, you can also use **eMoflon::IBeX-GT** to search for patterns in a
 ___
 ## eMoflon::IBeX-TGG
 
+{{< notice warning >}}
+The development of eMoflon::IBeX-TGG was discontinued in 2024.
+{{< /notice >}}
+
 **Triple Graph Grammars (TGGs)** are a declarative and rule-based technique to specify bidirectional model transformations.
 Basically, this means that **TGGs** are used to express a consistency relationship between two models.
 This relationship in the form of a set of grammar rules is then automatically transformed to obtain different consistency restoring operations such as translators or synchronizers.
diff --git a/themes/hugo-notice b/themes/hugo-notice
new file mode 160000
index 0000000..40327ac
--- /dev/null
+++ b/themes/hugo-notice
@@ -0,0 +1 @@
+Subproject commit 40327ac00cc4960bf85c26c3ab11c9c5725e6968