diff --git a/device.mk b/device.mk
index 5f6c99e3..2b70c313 100644
--- a/device.mk
+++ b/device.mk
@@ -52,10 +52,10 @@ AB_OTA_POSTINSTALL_CONFIG += \
 POSTINSTALL_OPTIONAL_system=true
 
 # Set Vendor SPL to match platform
-VENDOR_SECURITY_PATCH = $(PLATFORM_SECURITY_PATCH)
+VENDOR_SECURITY_PATCH := 2025-05-05
 
 # Set boot SPL
-BOOT_SECURITY_PATCH = $(PLATFORM_SECURITY_PATCH)
+BOOT_SECURITY_PATCH := 2025-05-05
 
 # TODO(b/207450311): Remove this flag once implemented
 USE_PIXEL_GRALLOC := false