diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index ce45076..905b016 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -783,6 +783,10 @@
   Cortex-X3 CPU. This needs to be enabled only for revisions r0p0, r1p0 and
   r1p1. It is fixed in r1p2.
 
+- ``ERRATA_X3_2743088``: This applies errata 2743088 workaround to Cortex-X3
+  CPU. This needs to be enabled only for revisions r0p0, r1p0 and r1p1. It is
+  fixed in r1p2.
+
 - ``ERRATA_X3_2779509``: This applies errata 2779509 workaround to Cortex-X3
   CPU. This needs to be enabled only for revisions r0p0, r1p0 and r1p1 of the
   CPU. It is fixed in r1p2.
diff --git a/lib/cpus/aarch64/cortex_x3.S b/lib/cpus/aarch64/cortex_x3.S
index 95f3d10..7e9a7fc 100644
--- a/lib/cpus/aarch64/cortex_x3.S
+++ b/lib/cpus/aarch64/cortex_x3.S
@@ -57,6 +57,13 @@
 
 check_erratum_ls cortex_x3, ERRATUM(2742421), CPU_REV(1, 1)
 
+workaround_runtime_start cortex_x3, ERRATUM(2743088), ERRATA_X3_2743088
+	/* dsb before isb of power down sequence */
+	dsb sy
+workaround_runtime_end cortex_x3, ERRATUM(2743088), NO_ISB
+
+check_erratum_ls cortex_x3, ERRATUM(2743088), CPU_REV(1, 1)
+
 workaround_reset_start cortex_x3, ERRATUM(2779509), ERRATA_X3_2779509
 	/* Set CPUACTLR3_EL1 bit 47 */
 	sysreg_bit_set CORTEX_X3_CPUACTLR3_EL1, CORTEX_X3_CPUACTLR3_EL1_BIT_47
@@ -82,12 +89,13 @@
 	 * ----------------------------------------------------
 	 */
 func cortex_x3_core_pwr_dwn
-apply_erratum cortex_x3, ERRATUM(2313909), ERRATA_X3_2313909
+	apply_erratum cortex_x3, ERRATUM(2313909), ERRATA_X3_2313909
 	/* ---------------------------------------------------
 	 * Enable CPU power down bit in power control register
 	 * ---------------------------------------------------
 	 */
 	sysreg_bit_set CORTEX_X3_CPUPWRCTLR_EL1, CORTEX_X3_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
+	apply_erratum cortex_x3, ERRATUM(2743088), ERRATA_X3_2743088
 	isb
 	ret
 endfunc cortex_x3_core_pwr_dwn
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 302f697..0ad5e78 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -786,6 +786,10 @@
 # to revisions r0p0, r1p0 and r1p1 of the Cortex-X3 cpu, it is fixed in r1p2.
 CPU_FLAG_LIST += ERRATA_X3_2742421
 
+# Flag to apply erratum 2743088 workaround on powerdown. This erratum applies
+# to revisions r0p0, r1p0 and r1p1 of the Cortex-X3 cpu, it is fixed in r1p2.
+CPU_FLAG_LIST += ERRATA_X3_2743088
+
 # Flag to apply erratum 2779509 workaround on reset. This erratum applies
 # to revisions r0p0, r1p0, r1p1 of the Cortex-X3 cpu, it is fixed in r1p2.
 CPU_FLAG_LIST += ERRATA_X3_2779509
diff --git a/services/std_svc/errata_abi/errata_abi_main.c b/services/std_svc/errata_abi/errata_abi_main.c
index 8f1f1fe..537cb5c 100644
--- a/services/std_svc/errata_abi/errata_abi_main.c
+++ b/services/std_svc/errata_abi/errata_abi_main.c
@@ -449,8 +449,9 @@
 		[1] = {2313909, 0x00, 0x10, ERRATA_X3_2313909},
 		[2] = {2615812, 0x00, 0x11, ERRATA_X3_2615812},
 		[3] = {2742421, 0x00, 0x11, ERRATA_X3_2742421},
-		[4] = {2779509, 0x00, 0x11, ERRATA_X3_2779509},
-		[5 ... ERRATA_LIST_END] = UNDEF_ERRATA,
+		[4] = {2743088, 0x00, 0x11, ERRATA_X3_2743088},
+		[5] = {2779509, 0x00, 0x11, ERRATA_X3_2779509},
+		[6 ... ERRATA_LIST_END] = UNDEF_ERRATA,
 	}
 },
 #endif /* CORTEX_X3_H_INC */