diff --git a/.gitmodules b/.gitmodules
index 91671f2..0915861 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -52,3 +52,9 @@
 [submodule "where-is-my-sddm-theme-git"]
 	path = where-is-my-sddm-theme-git
 	url = https://aur.archlinux.org/where-is-my-sddm-theme-git.git
+[submodule "ganttproject"]
+	path = ganttproject
+	url = https://aur.archlinux.org/ganttproject.git
+[submodule "python-boltons"]
+	path = python-boltons
+	url = https://aur.archlinux.org/python-boltons.git
diff --git a/ganttproject b/ganttproject
new file mode 160000
index 0000000..1ecd56a
--- /dev/null
+++ b/ganttproject
@@ -0,0 +1 @@
+Subproject commit 1ecd56ade39875c23594509b8cbcf4e6eec0682e
diff --git a/python-boltons b/python-boltons
new file mode 160000
index 0000000..c6a3170
--- /dev/null
+++ b/python-boltons
@@ -0,0 +1 @@
+Subproject commit c6a317039b6a5da5fa417aa91f7160afeffe6132