diff --git a/.gitmodules b/.gitmodules
index f83f35e..93b2d88 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "lib/cel-slides-template-2025"]
 	path = lib/cel-slides-template-2025
 	url = git@gitlab.kit.edu:kit/cel/misc/cel-slides-template-2025.git
+[submodule "lib/cel-thesis"]
+	path = lib/cel-thesis
+	url = git@gitlab.kit.edu:kit/cel/misc/cel-thesis.git
diff --git a/lib/cel-thesis b/lib/cel-thesis
new file mode 160000
index 0000000..07a20fe
--- /dev/null
+++ b/lib/cel-thesis
@@ -0,0 +1 @@
+Subproject commit 07a20fec6243069d2d77dc32e162d9888945d6c5