diff --git a/drivers/nxp/auth/csf_hdr_parser/csf_hdr_parser.c b/drivers/nxp/auth/csf_hdr_parser/csf_hdr_parser.c
index b878082..4f31c6e 100644
--- a/drivers/nxp/auth/csf_hdr_parser/csf_hdr_parser.c
+++ b/drivers/nxp/auth/csf_hdr_parser/csf_hdr_parser.c
@@ -38,7 +38,7 @@
 
 /* Flag to indicate if values are there in rotpk_hash_table */
 bool rotpk_not_dpld =  true;
-uint8_t rotpk_hash_table[MAX_KEY_ENTRIES][SHA256_BYTES];
+uint8_t rotpk_hash_table[MAX_KEY_ENTRIES][SHA256_BYTES] __aligned(CACHE_WRITEBACK_GRANULE);
 uint32_t num_rotpk_hash_entries;
 
 /*