diff --git a/include/services/drtm_svc.h b/include/services/drtm_svc.h
index f0d3c63bc..3503fa465 100644
--- a/include/services/drtm_svc.h
+++ b/include/services/drtm_svc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022-2024 Arm Limited. All rights reserved.
+ * Copyright (c) 2022-2025 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier:    BSD-3-Clause
  *
@@ -49,6 +49,7 @@
 #define ARM_DRTM_FEATURES_DMA_PROT	U(0x3)
 #define ARM_DRTM_FEATURES_BOOT_PE_ID	U(0x4)
 #define ARM_DRTM_FEATURES_TCB_HASHES	U(0x5)
+#define ARM_DRTM_FEATURES_DLME_IMG_AUTH	U(0x6)
 
 #define is_drtm_fid(_fid) \
 	(((_fid) >= ARM_DRTM_SVC_VERSION) && ((_fid) <= ARM_DRTM_SVC_LOCK_TCB_HASH))
@@ -109,6 +110,9 @@
 #define ARM_DRTM_TCB_HASH_FEATURES_MAX_NUM_HASHES_SHIFT	U(0)
 #define ARM_DRTM_TCB_HASH_FEATURES_MAX_NUM_HASHES_MASK	ULL(0xFF)
 
+#define ARM_DRTM_DLME_IMAGE_AUTH_SUPPORT_SHIFT	U(0)
+#define ARM_DRTM_DLME_IMAGE_AUTH_SUPPORT_MASK	ULL(0x1)
+
 #define ARM_DRTM_TPM_FEATURES_SET_PCR_SCHEMA(reg, val)			\
 	do {								\
 		reg = (((reg) & ~(ARM_DRTM_TPM_FEATURES_PCR_SCHEMA_MASK \
@@ -178,6 +182,16 @@
 		ARM_DRTM_TCB_HASH_FEATURES_MAX_NUM_HASHES_SHIFT));	\
 	} while (false)
 
+#define ARM_DRTM_DLME_IMG_AUTH_SUPPORT(reg, val)		\
+	do {								\
+		reg = (((reg) &						\
+		~(ARM_DRTM_DLME_IMAGE_AUTH_SUPPORT_MASK <<	\
+		ARM_DRTM_DLME_IMAGE_AUTH_SUPPORT_SHIFT)) |	\
+		(((val) &						\
+		ARM_DRTM_DLME_IMAGE_AUTH_SUPPORT_MASK) <<	\
+		ARM_DRTM_DLME_IMAGE_AUTH_SUPPORT_SHIFT));	\
+	} while (false)
+
 /* Definitions for DRTM address map */
 #define ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_SHIFT	U(55)
 #define ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_MASK	ULL(0x3)
diff --git a/services/std_svc/drtm/drtm_main.c b/services/std_svc/drtm/drtm_main.c
index bb95c13c0..117934f25 100644
--- a/services/std_svc/drtm/drtm_main.c
+++ b/services/std_svc/drtm/drtm_main.c
@@ -134,6 +134,8 @@ int drtm_setup(void)
 		plat_dma_prot_feat->dma_protection_support);
 	ARM_DRTM_TCB_HASH_FEATURES_SET_MAX_NUM_HASHES(plat_drtm_features.tcb_hash_features,
 		plat_drtm_get_tcb_hash_features());
+	ARM_DRTM_DLME_IMG_AUTH_SUPPORT(plat_drtm_features.dlme_image_auth_features,
+		plat_drtm_get_dlme_img_auth_features());
 
 	return 0;
 }
@@ -175,6 +177,12 @@ static inline uint64_t drtm_features_tcb_hashes(void *ctx)
 		 plat_drtm_features.tcb_hash_features);
 }
 
+static inline uint64_t drtm_features_dlme_img_auth_features(void *ctx)
+{
+	SMC_RET2(ctx, 1ULL, /* DLME Image auth is supported */
+		 plat_drtm_features.dlme_image_auth_features);
+}
+
 static enum drtm_retc drtm_dl_check_caller_el(void *ctx)
 {
 	uint64_t spsr_el3 = read_ctx_reg(get_el3state_ctx(ctx), CTX_SPSR_EL3);
@@ -789,6 +797,12 @@ uint64_t drtm_smc_handler(uint32_t smc_fid,
 				return drtm_features_tcb_hashes(handle);
 				break;	/* not reached */
 
+			case ARM_DRTM_FEATURES_DLME_IMG_AUTH:
+				INFO("++ DRTM service handler: "
+				     "DLME Image authentication features\n");
+				return drtm_features_dlme_img_auth_features(handle);
+				break;	/* not reached */
+
 			default:
 				ERROR("Unknown ARM DRTM service feature\n");
 				SMC_RET1(handle, NOT_SUPPORTED);
diff --git a/services/std_svc/drtm/drtm_main.h b/services/std_svc/drtm/drtm_main.h
index c105b56a7..44d0d2d6b 100644
--- a/services/std_svc/drtm/drtm_main.h
+++ b/services/std_svc/drtm/drtm_main.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022-2024 Arm Limited. All rights reserved.
+ * Copyright (c) 2022-2025 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier:    BSD-3-Clause
  *
@@ -45,7 +45,7 @@
  * Range(Min/Max) of DRTM parameter structure versions supported
  */
 #define ARM_DRTM_PARAMS_MIN_VERSION	U(1)
-#define ARM_DRTM_PARAMS_MAX_VERSION	U(1)
+#define ARM_DRTM_PARAMS_MAX_VERSION	U(2)
 
 enum drtm_dlme_el {
 	DLME_AT_EL1 = MODE_EL1,
@@ -74,6 +74,7 @@ typedef struct {
 	uint64_t dma_prot_features;
 	uint64_t boot_pe_id;
 	uint64_t tcb_hash_features;
+	uint64_t dlme_image_auth_features;
 } drtm_features_t;
 
 struct __packed drtm_dl_args_v1 {