diff --git a/SOL011/NSLifecycleOperationGranting-API/ApiVersion.robot b/SOL011/NSLifecycleOperationGranting-API/ApiVersion.robot
index aedb3eec5ca811084a3852e7d02aaa2bcb170220..6d2eb96b1fa49a8e869db0e42d95cdab61cb4792 100644
--- a/SOL011/NSLifecycleOperationGranting-API/ApiVersion.robot
+++ b/SOL011/NSLifecycleOperationGranting-API/ApiVersion.robot
@@ -13,7 +13,7 @@ POST API Version - Method not implemented
     ...    Test title: POST API version - Method not implemented
     ...    Test objective: The objective is to test that POST method is not implemented
     ...    Pre-conditions: none
-    ...    Reference: Clause 9.3.3.3.1 - ETSI GS NFV-SOL 013 [5] v3.3.1
+    ...    Reference: Clause 9.3.3.3.1 - ETSI GS NFV-SOL 013 [5] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none    
@@ -25,7 +25,7 @@ GET API Version
     ...    Test title: GET API Version
     ...    Test objective: The objective is to test that GET method successfully return ApiVersionInformation
     ...    Pre-conditions: none
-    ...    Reference: Clause 9.3.3.3.2 - ETSI GS NFV-SOL 013 [5] v3.3.1
+    ...    Reference: Clause 9.3.3.3.2 - ETSI GS NFV-SOL 013 [5] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none 
@@ -38,7 +38,7 @@ PUT API Version - Method not implemented
     ...    Test title: PUT API Version - Method not implemented
     ...    Test objective: The objective is to test that PUT method is not implemented
     ...    Pre-conditions: none
-    ...    Reference: Clause 9.3.3.3.3 - ETSI GS NFV-SOL 013 [5] v3.3.1
+    ...    Reference: Clause 9.3.3.3.3 - ETSI GS NFV-SOL 013 [5] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none 
@@ -50,7 +50,7 @@ PATCH API Version - Method not implemented
     ...    Test title: PATCH API Version - Method not implemented
     ...    Test objective: The objective is to test that PATCH method is not implemented
     ...    Pre-conditions: none
-    ...    Reference: Clause 9.3.3.3.4 - ETSI GS NFV-SOL 013 [5] v3.3.1
+    ...    Reference: Clause 9.3.3.3.4 - ETSI GS NFV-SOL 013 [5] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none 
@@ -62,7 +62,7 @@ DELETE API Version - Method not implemented
     ...    Test title: DELETE API Version - Method not implemented
     ...    Test objective: The objective is to test that DELETE method is not implemented
     ...    Pre-conditions: none
-    ...    Reference: Clause 9.3.3.3.5 - ETSI GS NFV-SOL 013 [5] v3.3.1
+    ...    Reference: Clause 9.3.3.3.5 - ETSI GS NFV-SOL 013 [5] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none 
@@ -74,7 +74,7 @@ POST API Version with apiMajorVerion - Method not implemented
     ...    Test title: POST API version with apiMajorVerion - Method not implemented
     ...    Test objective: The objective is to test that POST method is not implemented
     ...    Pre-conditions: none
-    ...    Reference: Clause 9.3.3.3.1 - ETSI GS NFV-SOL 013 [5] v3.3.1
+    ...    Reference: Clause 9.3.3.3.1 - ETSI GS NFV-SOL 013 [5] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none    
@@ -86,7 +86,7 @@ GET API Version with apiMajorVerion
     ...    Test title: GET API Version with apiMajorVerion
     ...    Test objective: The objective is to test that GET method successfully return ApiVersionInformation
     ...    Pre-conditions: none
-    ...    Reference: Clause 9.3.3.3.2 - ETSI GS NFV-SOL 013 [5] v3.3.1
+    ...    Reference: Clause 9.3.3.3.2 - ETSI GS NFV-SOL 013 [5] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none 
@@ -99,7 +99,7 @@ PUT API Version with apiMajorVerion - Method not implemented
     ...    Test title: PUT API Version with apiMajorVerion - Method not implemented
     ...    Test objective: The objective is to test that PUT method is not implemented
     ...    Pre-conditions: none
-    ...    Reference: Clause 9.3.3.3.3 - ETSI GS NFV-SOL 013 [5] v3.3.1
+    ...    Reference: Clause 9.3.3.3.3 - ETSI GS NFV-SOL 013 [5] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none 
@@ -111,7 +111,7 @@ PATCH API Version with apiMajorVerion - Method not implemented
     ...    Test title: PATCH API Version with apiMajorVerion - Method not implemented
     ...    Test objective: The objective is to test that PATCH method is not implemented
     ...    Pre-conditions: none
-    ...    Reference: Clause 9.3.3.3.4 - ETSI GS NFV-SOL 013 [5] v3.3.1
+    ...    Reference: Clause 9.3.3.3.4 - ETSI GS NFV-SOL 013 [5] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none 
@@ -123,7 +123,7 @@ DELETE API Version with apiMajorVerion - Method not implemented
     ...    Test title: DELETE API Version with apiMajorVerion - Method not implemented
     ...    Test objective: The objective is to test that DELETE method is not implemented
     ...    Pre-conditions: none
-    ...    Reference: Clause 9.3.3.3.5 - ETSI GS NFV-SOL 013 [5] v3.3.1
+    ...    Reference: Clause 9.3.3.3.5 - ETSI GS NFV-SOL 013 [5] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none 
diff --git a/SOL011/NSLifecycleOperationGranting-API/Grants.robot b/SOL011/NSLifecycleOperationGranting-API/Grants.robot
index 61e4353b8824617d833a35899325ee40ae3c67b6..ff8921e307e5ef39f8897ccc20d7cc3ba21e457f 100644
--- a/SOL011/NSLifecycleOperationGranting-API/Grants.robot
+++ b/SOL011/NSLifecycleOperationGranting-API/Grants.robot
@@ -12,7 +12,7 @@ Requests a grant for a particular NS lifecycle operation
     ...    Test title: Requests a grant for a particular NS lifecycle operation
     ...    Test objective: The objective is to request a grant for a particular NS lifecycle operation and perform a JSON schema validation on the returned grant data structure
     ...    Pre-conditions: 
-    ...    Reference: Clause 7.5.3.3.1 - ETSI GS NFV-SOL 011 [8] v3.3.1
+    ...    Reference: Clause 7.5.3.3.1 - ETSI GS NFV-SOL 011 [8] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: The NFVO can decide immediately what to respond to a grant request
     ...    Post-Conditions: The grant information is available to the NFVO.
@@ -27,7 +27,7 @@ Requests a grant for a particular NS lifecycle operation - Forbidden
     ...    Test title: Requests a grant for a particular NS lifecycle operation - Forbidden 
     ...    Test objective: The objective is to request a grant for a particular NS lifecycle operation and the grant is rejected
     ...    Pre-conditions: none
-    ...    Reference: Clause 7.5.3.3.1 - ETSI GS NFV-SOL 011 [8] v3.3.1
+    ...    Reference: Clause 7.5.3.3.1 - ETSI GS NFV-SOL 011 [8] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none
@@ -40,7 +40,7 @@ GET Grants - Method not implemented
     ...    Test title: GET Grants - Method not implemented
     ...    Test objective: The objective is to test that GET method is not allowed for Lifecycle operation granting 
     ...    Pre-conditions: none
-    ...    Reference: Clause 7.5.3.3.2 - ETSI GS NFV-SOL 011 [8] v3.3.1
+    ...    Reference: Clause 7.5.3.3.2 - ETSI GS NFV-SOL 011 [8] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions:   none
@@ -52,7 +52,7 @@ PUT Grants - Method not implemented
     ...    Test title: PUT Grants - Method not implemented
     ...    Test objective: The objective is to test that PUT method is not allowed for Lifecycle operation granting 
     ...    Pre-conditions: none
-    ...    Reference: Clause 7.5.3.3.3 - ETSI GS NFV-SOL 011 [8] v3.3.1
+    ...    Reference: Clause 7.5.3.3.3 - ETSI GS NFV-SOL 011 [8] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none
@@ -64,7 +64,7 @@ PATCH Grants - Method not implemented
     ...    Test title: PATCH Grants - Method not implemented
     ...    Test objective: The objective is to test that PATCH method is not allowed for Lifecycle operation granting  
     ...    Pre-conditions: none
-    ...    Reference: Clause 7.5.3.3.4 - ETSI GS NFV-SOL 011 [8] v3.3.1
+    ...    Reference: Clause 7.5.3.3.4 - ETSI GS NFV-SOL 011 [8] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none 
@@ -76,7 +76,7 @@ DELETE Grants - Method not implemented
     ...    Test title: DELETE Grants - Method not implemented
     ...    Test objective: The objective is to test that DELETE method is not allowed for Lifecycle operation granting  
     ...    Pre-conditions: none
-    ...    Reference: Clause 7.5.3.3.5 - ETSI GS NFV-SOL 011 [8] v3.3.1
+    ...    Reference: Clause 7.5.3.3.5 - ETSI GS NFV-SOL 011 [8] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions:  Resources are not deleted
diff --git a/SOL011/NSLifecycleOperationGranting-API/IndividualGrant.robot b/SOL011/NSLifecycleOperationGranting-API/IndividualGrant.robot
index dcc0f47957b52fd432595cb9eb49d18ed91cf6cf..0bad5cd0dc39257ea2c7c8c0fef86b3662dc087d 100644
--- a/SOL011/NSLifecycleOperationGranting-API/IndividualGrant.robot
+++ b/SOL011/NSLifecycleOperationGranting-API/IndividualGrant.robot
@@ -15,7 +15,7 @@ POST Individual Grant - Method not implemented
     ...    Test title: POST Individual Grant - Method not implemented
     ...    Test objective: The objective is to test that POST method is not allowed for Lifecycle operation granting  
     ...    Pre-conditions: none
-    ...    Reference: Clause 7.5.4.3.1 - ETSI GS NFV-SOL 011 [8] v3.3.1
+    ...    Reference: Clause 7.5.4.3.1 - ETSI GS NFV-SOL 011 [8] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none 
@@ -27,7 +27,7 @@ GET an individual grant - Successful
     ...    Test title: GET an individual grant - Successful
     ...    Test objective: The objective is to retrieve a grant for a particular NS Lifecycle Operation.
     ...    Pre-conditions: The  grant information is available to the NFVO
-    ...    Reference: Clause 7.5.4.3.2 - ETSI GS NFV-SOL 011 [8] v3.3.1
+    ...    Reference: Clause 7.5.4.3.2 - ETSI GS NFV-SOL 011 [8] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none
@@ -40,7 +40,7 @@ PUT an individual grant - Method not implemented
     ...    Test title: PUT an individual grant - Method not implemented
     ...    Test objective: The objective is to test that PUT method is not allowed to for Lifecycle operation granting  
     ...    Pre-conditions: none
-    ...    Reference: Clause 7.5.4.3.3 - ETSI GS NFV-SOL 011 [8] v3.3.1
+    ...    Reference: Clause 7.5.4.3.3 - ETSI GS NFV-SOL 011 [8] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none 
@@ -52,7 +52,7 @@ PATCH an individual grant - Method not implemented
     ...    Test title: PATCH an individual grant - Method not implemented
     ...    Test objective: The objective is to test that PATCH method is not allowed to for Lifecycle operation granting  
     ...    Pre-conditions: none
-    ...    Reference: Clause 7.5.4.3.4 - ETSI GS NFV-SOL 011 [8] v3.3.1
+    ...    Reference: Clause 7.5.4.3.4 - ETSI GS NFV-SOL 011 [8] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none 
@@ -64,7 +64,7 @@ DELETE an individual grant - Method not implemented
     ...    Test title: DELETE an individual grant - Method not implemented
     ...    Test objective: The objective is to test that DELETE method is not allowed to for Lifecycle operation granting  
     ...    Pre-conditions: none
-    ...    Reference: Clause 7.5.4.3.5 - ETSI GS NFV-SOL 011 [8] v3.3.1
+    ...    Reference: Clause 7.5.4.3.5 - ETSI GS NFV-SOL 011 [8] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
     ...    Post-Conditions: none
@@ -76,7 +76,7 @@ GET an individual grant - NOT FOUND
     ...    Test title: GET an individual grant - NOT FOUND
     ...    Test objective: The objective is to test that the retrieval of individual grant for a particular Lifecycle operation fails when using an invalid resource identifier
     ...    Pre-conditions: The  grant information is available to the NFVO
-    ...    Reference: Clause 7.5.4.3.2 - ETSI GS NFV-SOL 011 [8] v3.3.1
+    ...    Reference: Clause 7.5.4.3.2 - ETSI GS NFV-SOL 011 [8] v4.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: Invalid resource identifier is used
     ...    Post-Conditions: none
diff --git a/SOL011/README.md b/SOL011/README.md
index dc212cbbcdb76a61c13aaecb3286a95fd1629d31..bdd8bde54470ff210d661c793642389ae0d16c97 100644
--- a/SOL011/README.md
+++ b/SOL011/README.md
@@ -2,7 +2,7 @@
 
 This folder includes the NFV API conformance test descriptions for NFV SOL011 APIs.
 
-The reference spec version is v3.3.1: https://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/011/03.03.01_60/gs_NFV-SOL011v030301p.pdf
+The reference spec version is v4.4.1: https://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/011/04.04.01_60/gs_NFV-SOL011v040401p.pdf
 
 ## Applicable Tests
 In addition to the SOL011 tests included in this folder for NS Instance Usage Notification API and NS Lifecycle Operation Granting API, the SOL011 tests make use of applicable SOL005 tests.