diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..b634d85
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.pdf filter=lfs diff=lfs merge=lfs -text
diff --git a/.gitmodules b/.gitmodules
index f569cd2..4b7e4d7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,8 +1,8 @@
 [submodule "layoutparser-service/layoutparser-service-server/src/test/resources/files/basf"]
 	path = layoutparser-service/layoutparser-service-server/src/test/resources/files/basf
-	url = https://gitlab.knecon.com/fforesight/documents/basf.git
+	url = ssh://git@git.knecon.com:22222/fforesight/documents/basf.git
 	update = merge
 [submodule "layoutparser-service/layoutparser-service-server/src/test/resources/files/syngenta"]
 	path = layoutparser-service/layoutparser-service-server/src/test/resources/files/syngenta
-	url = https://gitlab.knecon.com/fforesight/documents/syngenta.git
+	url = ssh://git@git.knecon.com:22222/fforesight/documents/syngenta.git
 	update = merge