diff --git a/code/UI/OpenAPI/python-flask-server/KG2/openapi_server/openapi/openapi.yaml b/code/UI/OpenAPI/python-flask-server/KG2/openapi_server/openapi/openapi.yaml
index 1cb0f8472..f00dd84f4 100644
--- a/code/UI/OpenAPI/python-flask-server/KG2/openapi_server/openapi/openapi.yaml
+++ b/code/UI/OpenAPI/python-flask-server/KG2/openapi_server/openapi/openapi.yaml
@@ -9,13 +9,13 @@ info:
     url: http://www.apache.org/licenses/LICENSE-2.0.html
   termsOfService: https://github.com/RTXteam/RTX/blob/master/LICENSE
   title: RTX KG2 - TRAPI 1.4.0
-  version: 2.8.4
+  version: 2.9.0
   x-translator:
     component: KP
     team:
     - Expander Agent
     infores: infores:rtx-kg2
-    biolink-version: 3.1.2
+    biolink-version: 4.0.0
     externalDocs:
       description: The values for component and team are restricted according to this
         external JSON schema. See schema and examples at url
diff --git a/code/UI/OpenAPI/python-flask-server/openapi_server/openapi/openapi.yaml b/code/UI/OpenAPI/python-flask-server/openapi_server/openapi/openapi.yaml
index 1be2737c8..f18e8899d 100644
--- a/code/UI/OpenAPI/python-flask-server/openapi_server/openapi/openapi.yaml
+++ b/code/UI/OpenAPI/python-flask-server/openapi_server/openapi/openapi.yaml
@@ -15,7 +15,7 @@ info:
     team:
     - Expander Agent
     infores: infores:arax
-    biolink-version: 3.1.2
+    biolink-version: 4.0.0
     externalDocs:
       description: The values for component and team are restricted according to this
         external JSON schema. See schema and examples at url
diff --git a/code/UI/OpenAPI/specifications/working/RTX_OA3_TRAPI1.4_ARAX.yaml b/code/UI/OpenAPI/specifications/working/RTX_OA3_TRAPI1.4_ARAX.yaml
index 69f269866..6c7caf6f6 100644
--- a/code/UI/OpenAPI/specifications/working/RTX_OA3_TRAPI1.4_ARAX.yaml
+++ b/code/UI/OpenAPI/specifications/working/RTX_OA3_TRAPI1.4_ARAX.yaml
@@ -14,7 +14,7 @@ info:
     team:
       - Expander Agent
     infores: infores:arax
-    biolink-version: 3.1.2
+    biolink-version: 4.0.0
     externalDocs:
       description: >-
         The values for component and team are restricted according to this
diff --git a/code/UI/OpenAPI/specifications/working/RTX_OA3_TRAPI1.4_KG2.yaml b/code/UI/OpenAPI/specifications/working/RTX_OA3_TRAPI1.4_KG2.yaml
index b4a9edee9..d26dcd6d6 100644
--- a/code/UI/OpenAPI/specifications/working/RTX_OA3_TRAPI1.4_KG2.yaml
+++ b/code/UI/OpenAPI/specifications/working/RTX_OA3_TRAPI1.4_KG2.yaml
@@ -1,7 +1,7 @@
 openapi: 3.0.1
 info:
   description: TRAPI 1.4 endpoint for the NCATS Biomedical Translator KP called RTX KG2
-  version: 2.8.4
+  version: 2.9.0
   title: RTX KG2
   contact:
     email: edeutsch@systemsbiology.org
@@ -14,7 +14,7 @@ info:
     team:
       - Expander Agent
     infores: infores:rtx-kg2
-    biolink-version: 3.1.2
+    biolink-version: 4.0.0
     externalDocs:
       description: >-
         The values for component and team are restricted according to this