diff --git a/definitions/ca/deployment.yaml b/definitions/ca/deployment.yaml
index 5bf00f9a..a9f756e3 100644
--- a/definitions/ca/deployment.yaml
+++ b/definitions/ca/deployment.yaml
@@ -36,6 +36,8 @@ spec:
               value: /crypto/ca/operations-cert.pem
             - name: FABRIC_CA_SERVER_OPERATIONS_TLS_KEY_FILE
               value: /crypto/ca/operations-key.pem
+            - name: FABRIC_CA_SERVER_COMPATIBILITY_MODE_V1_3
+              value: "true"
             - name: HOST_IP
               valueFrom:
                 fieldRef: