diff --git a/Makefile b/Makefile
index d7ef1f8..32b528c 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ include $(DEVKITARM)/base_rules
 
 IPL_LOAD_ADDR := 0x40003000
 LPVERSION_MAJOR := 1
-LPVERSION_MINOR := 3
+LPVERSION_MINOR := 4
 LPVERSION_BUGFX := 0
 
 ################################################################################
diff --git a/source/keys/keys.c b/source/keys/keys.c
index 38d888a..fd5a42e 100644
--- a/source/keys/keys.c
+++ b/source/keys/keys.c
@@ -290,6 +290,7 @@ get_tsec: ;
     /*  key = unwrap(source, wrapped_key):
         key_set(ks, wrapped_key), block_ecb(ks, 0, key, source) -> final key in key
     */
+   // TODO: fix bis key generation for newer unpatched consoles
     if (_key_exists(device_key)) {
         se_aes_key_set(8, device_key, 0x10);
         se_aes_unwrap_key(8, 8, retail_specific_aes_key_source); // kek = unwrap(rsaks, devkey)