diff --git a/.gitmodules b/.gitmodules
index 657448539d..cb92b5785b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -24,7 +24,7 @@
 [submodule "firmware/ext/lua"]
 	path = firmware/ext/lua
 	url = https://github.com/rusefi/lua
-	branch = rusefi-5.4.3
+	branch = rusefi-5.4.6
 [submodule "firmware/controllers/lua/luaaa"]
 	path = firmware/controllers/lua/luaaa
 	url = https://github.com/rusefi/luaaa
diff --git a/firmware/ext/lua b/firmware/ext/lua
index 95f70ea2dc..108bbe3cad 160000
--- a/firmware/ext/lua
+++ b/firmware/ext/lua
@@ -1 +1 @@
-Subproject commit 95f70ea2dc7c50681d72a951dcba35c8a858142b
+Subproject commit 108bbe3cadd3a314c7c2066b88a90400a360d9ee