diff --git a/openldap-nss-cipher-attributes.patch b/openldap-nss-cipher-attributes.patch
index 5ebd347..ad15aea 100644
--- a/openldap-nss-cipher-attributes.patch
+++ b/openldap-nss-cipher-attributes.patch
@@ -67,7 +67,7 @@ diff --git a/libraries/libldap/tls_m.c b/libraries/libldap/tls_m.c
  
  /* cipher strength */
  #define SSL_NULL      0x00000001L
-@@ -240,10 +257,14 @@ typedef struct {
+@@ -240,10 +257,15 @@ typedef struct {
  #define SSL_MEDIUM    0x00000010L
  #define SSL_HIGH      0x00000020L
  
@@ -79,6 +79,7 @@ diff --git a/libraries/libldap/tls_m.c b/libraries/libldap/tls_m.c
  /* OpenSSL treats SSL3 and TLSv1 the same */
  #define TLS1  SSL3
 +#define TLS1_2 0x00000004L
++#define TLS1_3 0x00000008L
  
  /* Cipher translation */
  static cipher_properties ciphers_def[] = {
diff --git a/openldap-nss-ciphers-definitions.patch b/openldap-nss-ciphers-definitions.patch
index 7b7a868..6de142c 100644
--- a/openldap-nss-ciphers-definitions.patch
+++ b/openldap-nss-ciphers-definitions.patch
@@ -6,7 +6,7 @@ PreviousAuthor: Jan Vcelak <jvcelak@redhat.com>
 diff --git a/libraries/libldap/tls_m.c b/libraries/libldap/tls_m.c
 --- a/libraries/libldap/tls_m.c
 +++ b/libraries/libldap/tls_m.c
-@@ -268,29 +268,104 @@ typedef struct {
+@@ -268,29 +268,109 @@ typedef struct {
  
  /* Cipher translation */
  static cipher_properties ciphers_def[] = {
@@ -129,6 +129,11 @@ diff --git a/libraries/libldap/tls_m.c b/libraries/libldap/tls_m.c
 +	//{"ECDHE-ECDSA-CHACHA20-POLY1305", 0xcca9 /* TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 */, SSL_kECDHE|SSL_aECDSA|SSL_CHACHA20POLY1305|SSL_AEAD, TLS1_2, SSL_HIGH},
 +	//{"ECDHE-RSA-CHACHA20-POLY1305",   0xcca8 /* TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 */,   SSL_kECDHE|SSL_aRSA|SSL_CHACHA20POLY1305|SSL_AEAD,   TLS1_2, SSL_HIGH},
 +	//{"DHE-RSA-CHACHA20-POLY1305",     0xccaa /* TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 */,     SSL_kEDH|SSL_aRSA|SSL_CHACHA20POLY1305|SSL_AEAD,     TLS1_2, SSL_HIGH},
++
++	// TLSv1.3
++	{"TLS13-AES-128-GCM-SHA256",	0x1301 /* TLS_AES_128_GCM_SHA256 */,	SSL_AES128|SSL_AESGCM|SSL_AEAD,	TLS1_3, SSL_HIGH},
++	{"TLS13-AES-256-GCM-SHA384",	0x1302 /* TLS_AES_256_GCM_SHA384 */,	SSL_AES256|SSL_AESGCM|SSL_AEAD,	TLS1_3, SSL_HIGH},
++	{"TLS13-CHACHA20-POLY1305-SHA256",     0x1303 /* TLS_CHACHA20_POLY1305_SHA256 */,	SSL_CHACHA20POLY1305|SSL_AEAD,	TLS1_3, SSL_HIGH},
  };
  
  #define ciphernum (sizeof(ciphers_def)/sizeof(cipher_properties))
diff --git a/openldap-nss-ciphers-parsing.patch b/openldap-nss-ciphers-parsing.patch
index b91d07d..dd0407b 100644
--- a/openldap-nss-ciphers-parsing.patch
+++ b/openldap-nss-ciphers-parsing.patch
@@ -69,7 +69,7 @@ diff --git a/libraries/libldap/tls_m.c b/libraries/libldap/tls_m.c
  				} else if (!strcmp(cipher, "3DES")) {
  					mask |= SSL_3DES;
  				} else if (!strcmp(cipher, "DES")) {
-@@ -693,26 +707,67 @@ nss_parse_ciphers(const char *cipherstr, int cipher_list[ciphernum])
+@@ -693,26 +707,69 @@ nss_parse_ciphers(const char *cipherstr, int cipher_list[ciphernum])
  					mask |= SSL_RC2;
  				} else if (!strcmp(cipher, "MD5")) {
  					mask |= SSL_MD5;
@@ -122,6 +122,8 @@ diff --git a/libraries/libldap/tls_m.c b/libraries/libldap/tls_m.c
  					protocol |= TLS1;
 +				} else if (!strcmp(cipher, "TLSv1.2")) {
 +					protocol |= TLS1_2;
++				} else if (!strcmp(cipher, "TLSv1.3")) {
++					protocol |= TLS1_3;
  				} else if (!strcmp(cipher, "HIGH")) {
  					strength |= SSL_HIGH;
  				} else if (!strcmp(cipher, "MEDIUM")) {
diff --git a/openldap.spec b/openldap.spec
index 74632df..2a546bd 100644
--- a/openldap.spec
+++ b/openldap.spec
@@ -5,7 +5,7 @@
 
 Name: openldap
 Version: 2.4.44
-Release: 8%{?dist}
+Release: 9%{?dist}
 Summary: LDAP support libraries
 Group: System Environment/Daemons
 License: OpenLDAP
@@ -548,6 +548,9 @@ exit 0
 %{_mandir}/man3/*
 
 %changelog
+* Fri Mar 24 2017 Matus Honek <mhonek@redhat.com> - 2.4.44-9
+- NSS: Enhance OpenLDAP to support TLSv1.3 protocol with NSS (#1435689)
+
 * Fri Mar 24 2017 Matus Honek <mhonek@redhat.com> - 2.4.44-8
 - NSS: Rearrange ciphers-, parsing-, and protocol-related patches (#1435689)