diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..86ed575
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "core"]
+	path = core
+	url = https://gitea.skadubpc.net/ulysse/2D_Engine_SDL2_Core.git
diff --git a/core b/core
index 9282b15..5420454 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 9282b15528fe93be763d46a02dbe255968c548d5
+Subproject commit 54204542c14305a28b5b0f7d4303a685565126ac