diff --git a/CMakeLists.txt b/CMakeLists.txt
index 34ec9e8..52d5a9b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,12 +5,12 @@ project(lcd_jlx C)
 set(CMAKE_C_STANDARD 11)
 
 set(SOURCES
-    "main.c"
-    "st75256_impl.c"
-    "st7302_impl.c"
-    "st75256_lvgl_impl.c"
-    "st7302_lvgl_impl.c"
-    "user_tasks.c"
+    "src/main.c"
+    "src/st75256_impl.c"
+    "src/st7302_impl.c"
+    "src/st75256_lvgl_impl.c"
+    "src/st7302_lvgl_impl.c"
+    "src/user_tasks.c"
     "fonts/jf_dot_jiskan24_2000.c"
     "fonts/jf_dot_jiskan16.c"
     "fonts/unica_one_12.c"
diff --git a/lib/LittleVGL b/lib/LittleVGL
index 0aefab3..ec9de51 160000
--- a/lib/LittleVGL
+++ b/lib/LittleVGL
@@ -1 +1 @@
-Subproject commit 0aefab358b1c43f1dbb03cb65160f395032dc00d
+Subproject commit ec9de515b36641be565d7bace5863ab631ce3b69
diff --git a/main.c b/src/main.c
similarity index 100%
rename from main.c
rename to src/main.c
diff --git a/st7302_impl.c b/src/st7302_impl.c
similarity index 100%
rename from st7302_impl.c
rename to src/st7302_impl.c
diff --git a/st7302_lvgl_impl.c b/src/st7302_lvgl_impl.c
similarity index 100%
rename from st7302_lvgl_impl.c
rename to src/st7302_lvgl_impl.c
diff --git a/st75256_impl.c b/src/st75256_impl.c
similarity index 100%
rename from st75256_impl.c
rename to src/st75256_impl.c
diff --git a/st75256_lvgl_impl.c b/src/st75256_lvgl_impl.c
similarity index 100%
rename from st75256_lvgl_impl.c
rename to src/st75256_lvgl_impl.c
diff --git a/user_tasks.c b/src/user_tasks.c
similarity index 100%
rename from user_tasks.c
rename to src/user_tasks.c