diff --git a/app/test/test_ipsec.c b/app/test/test_ipsec.c
index 4007eff19..9e3dabd93 100644
--- a/app/test/test_ipsec.c
+++ b/app/test/test_ipsec.c
@@ -689,7 +689,7 @@ fill_ipsec_param(uint32_t replay_win_sz, uint64_t flags)
 
 	prm->userdata = 1;
 	prm->flags = flags;
-	prm->replay_win_sz = replay_win_sz;
+	prm->ipsec_xform.replay_win_sz = replay_win_sz;
 
 	/* setup ipsec xform */
 	prm->ipsec_xform = ut_params->ipsec_xform;
diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst
index ae8e7b2f0..aa16c8422 100644
--- a/doc/guides/rel_notes/release_19_11.rst
+++ b/doc/guides/rel_notes/release_19_11.rst
@@ -365,6 +365,12 @@ ABI Changes
   align the Ethernet header on receive and all known encapsulations
   preserve the alignment of the header.
 
+* security: A new field ''replay_win_sz'' has been added to the structure
+  ``rte_security_ipsec_xform``, which specify the Anti replay window size
+  to enable sequence replay attack handling.
+
+* ipsec: The field ''replay_win_sz'' has been removed from the structure
+  ''rte_ipsec_sa_prm'' as it has been added to the security library.
 
 Shared Library Versions
 -----------------------
@@ -407,7 +413,7 @@ The libraries prepended with a plus sign were incremented in this version.
      librte_gso.so.1
      librte_hash.so.2
      librte_ip_frag.so.1
-     librte_ipsec.so.1
+   + librte_ipsec.so.2
      librte_jobstats.so.1
      librte_kni.so.2
      librte_kvargs.so.1
@@ -437,7 +443,7 @@ The libraries prepended with a plus sign were incremented in this version.
      librte_reorder.so.1
      librte_ring.so.2
    + librte_sched.so.4
-     librte_security.so.2
+   + librte_security.so.3
      librte_stack.so.1
      librte_table.so.3
      librte_timer.so.1
diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c
index 51fb22e8a..159e81f99 100644
--- a/examples/ipsec-secgw/ipsec.c
+++ b/examples/ipsec-secgw/ipsec.c
@@ -49,6 +49,7 @@ set_ipsec_conf(struct ipsec_sa *sa, struct rte_security_ipsec_xform *ipsec)
 		/* TODO support for Transport */
 	}
 	ipsec->esn_soft_limit = IPSEC_OFFLOAD_ESN_SOFTLIMIT;
+	ipsec->replay_win_sz = app_sa_prm.window_size;
 }
 
 int
diff --git a/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c
index 14ee94731..3d687c459 100644
--- a/examples/ipsec-secgw/sa.c
+++ b/examples/ipsec-secgw/sa.c
@@ -1055,7 +1055,7 @@ fill_ipsec_app_sa_prm(struct rte_ipsec_sa_prm *prm,
 
 	prm->flags = app_prm->flags;
 	prm->ipsec_xform.options.esn = app_prm->enable_esn;
-	prm->replay_win_sz = app_prm->window_size;
+	prm->ipsec_xform.replay_win_sz = app_prm->window_size;
 }
 
 static int
diff --git a/lib/librte_ipsec/Makefile b/lib/librte_ipsec/Makefile
index 81fb99980..161ea9e3d 100644
--- a/lib/librte_ipsec/Makefile
+++ b/lib/librte_ipsec/Makefile
@@ -14,7 +14,7 @@ LDLIBS += -lrte_cryptodev -lrte_security -lrte_hash
 
 EXPORT_MAP := rte_ipsec_version.map
 
-LIBABIVER := 1
+LIBABIVER := 2
 
 # all source are stored in SRCS-y
 SRCS-$(CONFIG_RTE_LIBRTE_IPSEC) += esp_inb.c
diff --git a/lib/librte_ipsec/meson.build b/lib/librte_ipsec/meson.build
index 70358526b..e8604dadd 100644
--- a/lib/librte_ipsec/meson.build
+++ b/lib/librte_ipsec/meson.build
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2018 Intel Corporation
 
+version = 2
 allow_experimental_apis = true
 
 sources = files('esp_inb.c', 'esp_outb.c', 'sa.c', 'ses.c', 'ipsec_sad.c')
diff --git a/lib/librte_ipsec/rte_ipsec_sa.h b/lib/librte_ipsec/rte_ipsec_sa.h
index 47ce169d2..1cfde5874 100644
--- a/lib/librte_ipsec/rte_ipsec_sa.h
+++ b/lib/librte_ipsec/rte_ipsec_sa.h
@@ -47,12 +47,6 @@ struct rte_ipsec_sa_prm {
 			uint8_t proto;  /**< next header protocol */
 		} trs; /**< transport mode related parameters */
 	};
-
-	/**
-	 * window size to enable sequence replay attack handling.
-	 * replay checking is disabled if the window size is 0.
-	 */
-	uint32_t replay_win_sz;
 };
 
 /**
diff --git a/lib/librte_ipsec/sa.c b/lib/librte_ipsec/sa.c
index 23d394b46..6f1d92c3c 100644
--- a/lib/librte_ipsec/sa.c
+++ b/lib/librte_ipsec/sa.c
@@ -439,7 +439,7 @@ rte_ipsec_sa_size(const struct rte_ipsec_sa_prm *prm)
 		return rc;
 
 	/* determine required size */
-	wsz = prm->replay_win_sz;
+	wsz = prm->ipsec_xform.replay_win_sz;
 	return ipsec_sa_size(type, &wsz, &nb);
 }
 
@@ -461,7 +461,7 @@ rte_ipsec_sa_init(struct rte_ipsec_sa *sa, const struct rte_ipsec_sa_prm *prm,
 		return rc;
 
 	/* determine required size */
-	wsz = prm->replay_win_sz;
+	wsz = prm->ipsec_xform.replay_win_sz;
 	sz = ipsec_sa_size(type, &wsz, &nb);
 	if (sz < 0)
 		return sz;
