diff --git a/.gitmodules b/.gitmodules
index d69aa81..4ac0a72 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "libs/KSDK_2.0_FRDM-K22F"]
 	path = lib/KSDK_2.0_FRDM-K22F
 	url = git@github.com:UltimateHackingKeyboard/KSDK_2.0_FRDM-K22F.git
+[submodule "lib/KSDK_1.3_FRDM-KL03Z"]
+	path = lib/KSDK_1.3_FRDM-KL03Z
+	url = git@github.com:UltimateHackingKeyboard/KSDK_1.3_FRDM-KL03Z.git
diff --git a/lib/KSDK_1.3_FRDM-KL03Z b/lib/KSDK_1.3_FRDM-KL03Z
new file mode 160000
index 0000000..777b17b
--- /dev/null
+++ b/lib/KSDK_1.3_FRDM-KL03Z
@@ -0,0 +1 @@
+Subproject commit 777b17b027971e1b961d37c1475120761915195a