diff --git a/.gitmodules b/.gitmodules
index 0e2fb5e..8077d5a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,7 @@
 [submodule "libpdfviewer"]
 	path = libpdfviewer
 	url = https://forge.chapril.org/hardcoresushi/libpdfviewer.git
+[submodule "app/libcryfs"]
+	path = app/libcryfs
+	url = https://github.com/hardcore-sushi/libcryfs.git
+	branch = genesis
diff --git a/app/libcryfs b/app/libcryfs
new file mode 160000
index 0000000..e6d735d
--- /dev/null
+++ b/app/libcryfs
@@ -0,0 +1 @@
+Subproject commit e6d735dbabbdaf5a746db2097080271a7f7066c3