diff --git a/src/yang/etsi-nfv-common.yang b/src/yang/etsi-nfv-common.yang
index 50b371f6a341cf7f791e70345af39a2430f59a62..23092426674b924167c950a593d8e903b548d710 100644
--- a/src/yang/etsi-nfv-common.yang
+++ b/src/yang/etsi-nfv-common.yang
@@ -6,13 +6,13 @@ submodule etsi-nfv-common {
   description
     "Common data types for ETSI data models.";
 
-  revision 2018-06-19 {
+  revision 2019-03-18 {
     description
       "Initial revision
 
        Common data structures to support VNFD and NSD according to:
-       ETSI GS NFV-IFA 014 Ed251v244
-       ETSI GS NFV-IFA 011 Ed251v243";
+       ETSI GS NFV-IFA 014 Ed261v252
+       ETSI GS NFV-IFA 011 Ed261v254";
   }
 
   /*
diff --git a/src/yang/etsi-nfv-ns.yang b/src/yang/etsi-nfv-ns.yang
index 2795b7ff241124b3942e7a5fad374f16fbca3f06..4740d27231a1ecf7c6dcb868a6f757e925258598 100644
--- a/src/yang/etsi-nfv-ns.yang
+++ b/src/yang/etsi-nfv-ns.yang
@@ -14,14 +14,14 @@ submodule etsi-nfv-ns {
   description
     "Models for NS according to ETSI GS NFV-IFA 014.";
 
-  revision 2017-01-20 {
+  revision 2019-03-18 {
     description
       "Initial revision
        Common data structure to support NSD according to:
-       ETSI GS NFV-IFA 011 Ed251v243";
+       ETSI GS NFV-IFA 014 Ed261v252";
 
     reference
-      "ETSI GS NFV-IFA 011 Ed251v243";
+      "ETSI GS NFV-IFA 014 Ed261v252";
   }
 
   grouping resource-handle {
diff --git a/src/yang/etsi-nfv-pnf.yang b/src/yang/etsi-nfv-pnf.yang
index 69450eefe4d02aad851f72f57894cf43a00c056e..ae7ef81fd3c4659ed7555fcc33202a7355113396 100644
--- a/src/yang/etsi-nfv-pnf.yang
+++ b/src/yang/etsi-nfv-pnf.yang
@@ -12,15 +12,15 @@ submodule etsi-nfv-pnf {
   description
     "Models for PNFD according to GS NFV-IFA 014.";
 
-  revision 2018-06-25 {
+  revision 2019-03-18 {
     description
       "Initial revision.
 
        Common data structure to support VNFD according to:
-       ETSI GS NFV-IFA 014 Ed251v244";
+       ETSI GS NFV-IFA 014 Ed261v252";
 
     reference
-      "ETSI GS NFV-IFA 014 Ed251v244";
+      "ETSI GS NFV-IFA 014 Ed261v252";
   }
 
   grouping pnfd {
diff --git a/src/yang/etsi-nfv-vnf.yang b/src/yang/etsi-nfv-vnf.yang
index 19827899615e6ce07f260c63ff839136af1b3b71..3eedc64ff89f42b7a89a559c041074aaeccc10a4 100755
--- a/src/yang/etsi-nfv-vnf.yang
+++ b/src/yang/etsi-nfv-vnf.yang
@@ -16,15 +16,15 @@ submodule etsi-nfv-vnf {
   description
     "Models for VNFD according to GS NFV-IFA 011.";
 
-  revision 2018-06-19 {
+  revision 2019-03-18 {
     description
       "Initial revision.
 
        Common data structure to support VNFD according to:
-       VNFD according to ETSI GS NFV-IFA 011 Ed251v243";
+       VNFD according to ETSI GS NFV-IFA 011 Ed261v254";
 
     reference
-      "ETSI GS NFV-IFA 011 Ed251v243";
+      "ETSI GS NFV-IFA 011 Ed261v254";
   }
 
   grouping virtual-network-interface-requirements {
diff --git a/src/yang/etsi-nfv.yang b/src/yang/etsi-nfv.yang
index a209fc30f22d3c0a1cbe136c512ca4ec9be6ac12..96d0db1afe03b81d01fd56e05d7021246ca3dcea 100644
--- a/src/yang/etsi-nfv.yang
+++ b/src/yang/etsi-nfv.yang
@@ -14,11 +14,11 @@ module etsi-nfv {
   description
     "Network Function Virtualization Descriptors";
 
-  revision 2018-06-13 {
+  revision 2019-03-18 {
     description
       "Initial revision.
-       NSD and PNFD according to ETSI GS NFV-IFA 014 Ed251v244
-       VNFD according to ETSI GS NFV-IFA 011 Ed251v243";
+       NSD and PNFD according to ETSI GS NFV-IFA 014 Ed261v252
+       VNFD according to ETSI GS NFV-IFA 011 Ed261v254";
   }
 
   container nfv {