diff --git a/README.md b/README.md
index 53c53e1..8314ce7 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,19 @@ After that you can send us a pull request on Github
 In schemas/appliance.json you have a JSON with a schema for controlling
 the file and can be use as documentation for each field.
 
+### Versioning
+
+GNS3 checks the schema version, if the schema of an appliance is not supported it shows the error "Please update GNS3 in order to install this appliance".
+
+| Schema | min. GNS3 version | Additions |
+| :-: | :-----: | --------- |
+| 2 | 1.4.0 | |
+| 3 | 1.5.0 | docker |
+| 4 | 2.0.0 | availability<br>qemu/cpus<br>qemu/hd?_disk_interface: sata<br>versions/images/bios_image |
+| 5 | 2.1.0 | qemu/console_type: spice |
+| 6 | 2.2.0 | qemu/custom_adapters |
+| 7 | 2.2.36 | qemu/tpm |
+
 Adding a new symbol
 -------------------
 
diff --git a/appliances/fortiadc.gns3a b/appliances/fortiadc.gns3a
index dce7687..e457812 100644
--- a/appliances/fortiadc.gns3a
+++ b/appliances/fortiadc.gns3a
@@ -34,6 +34,27 @@
             "filesize": 30998528,
             "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
         },
+        {
+            "filename": "FAD_KVM-v700-build0111-FORTINET.out.kvm-boot.qcow2",
+            "version": "7.1.0",
+            "md5sum": "5977fe2e031dfa5759b7b2c9958eeb09",
+            "filesize": 134676480,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
+        {
+            "filename": "FAD_KVM-v700-build0048-FORTINET.out.kvm-boot.qcow2",
+            "version": "7.0.4",
+            "md5sum": "ea3329a7e18085838c83436ee7a6e3f8",
+            "filesize": 127664128,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
+        {
+            "filename": "FAD_KVM-v600-build0237-FORTINET.out.kvm-boot.qcow2",
+            "version": "6.2.4",
+            "md5sum": "7cf30c1af4891e13b37e6a5c3933169f",
+            "filesize": 125304832,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
         {
             "filename": "FAD_KVM-V500-build0655-FORTINET.out.kvm-boot.qcow2",
             "version": "5.3.3",
@@ -204,6 +225,27 @@
         }
     ],
     "versions": [
+        {
+            "name": "7.1.0",
+            "images": {
+                "hda_disk_image": "FAD_KVM-v700-build0111-FORTINET.out.kvm-boot.qcow2",
+                "hdb_disk_image": "FAD_KVM-FORTINET.out.kvm-data.qcow2"
+            }
+        },
+        {
+            "name": "7.0.4",
+            "images": {
+                "hda_disk_image": "FAD_KVM-v700-build0048-FORTINET.out.kvm-boot.qcow2",
+                "hdb_disk_image": "FAD_KVM-FORTINET.out.kvm-data.qcow2"
+            }
+        },
+        {
+            "name": "6.2.4",
+            "images": {
+                "hda_disk_image": "FAD_KVM-v600-build0237-FORTINET.out.kvm-boot.qcow2",
+                "hdb_disk_image": "FAD_KVM-FORTINET.out.kvm-data.qcow2"
+            }
+        },
         {
             "name": "5.3.3",
             "images": {