diff --git a/soc/st/stm32/stm32wbax/hci_if/linklayer_plat_adapt.c b/soc/st/stm32/stm32wbax/hci_if/linklayer_plat_adapt.c
index a5d06d591eb..fd6cdfb6f79 100644
--- a/soc/st/stm32/stm32wbax/hci_if/linklayer_plat_adapt.c
+++ b/soc/st/stm32/stm32wbax/hci_if/linklayer_plat_adapt.c
@@ -8,6 +8,8 @@
 #include <zephyr/drivers/entropy.h>
 #include <zephyr/logging/log.h>
 
+#include <stm32_backup_domain.h>
+
 #include "scm.h"
 
 #define LOG_LEVEL CONFIG_SOC_LOG_LEVEL
@@ -288,3 +290,13 @@ void LINKLAYER_PLAT_DisableOSContextSwitch(void)
 	 * A sequence of radio ISRs will appear in the next few milli seconds.
 	 **/
 }
+
+void LINKLAYER_PLAT_EnableBackupDomainAccess(void)
+{
+	stm32_backup_domain_enable_access();
+}
+
+void LINKLAYER_PLAT_DisableBackupDomainAccess(void)
+{
+	stm32_backup_domain_disable_access();
+}
diff --git a/west.yml b/west.yml
index 70c1e8a0cf6..cd3c0dd0f0f 100644
--- a/west.yml
+++ b/west.yml
@@ -245,7 +245,7 @@ manifest:
       groups:
         - hal
     - name: hal_stm32
-      revision: 2aa79063bfe82c967bf1aa8f1995f04f6dc352db
+      revision: 55b5d9a04432e57df3e63dcb83c78bb09f038da8
       path: modules/hal/stm32
       groups:
         - hal