diff --git a/conf/layer.conf b/conf/layer.conf
index a6035fc..e78bc2c 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -24,4 +24,4 @@ LAYERSERIES_COMPAT_stm-st-stm32mp = "kirkstone"
 LAYERDEPENDS_stm-st-stm32mp = "core openembedded-layer meta-python"
 
 # OpenSTLinux compatibility version
-ST_OSTL_COMPATIBILITY_VERSION_stm-st-stm32mp = "3.0 3.1"
+ST_OSTL_COMPATIBILITY_VERSION_stm-st-stm32mp = "4.0"