diff --git a/stages/org.osbuild.containers.unit.create.meta.json b/stages/org.osbuild.containers.unit.create.meta.json
index 1cbbfed0..c873e2e7 100644
--- a/stages/org.osbuild.containers.unit.create.meta.json
+++ b/stages/org.osbuild.containers.unit.create.meta.json
@@ -30,6 +30,9 @@
     "    - 'Environment' - [object]",
     "    - 'Network' - string",
     "    - 'WorkingDir' - string",
+    "    - 'SecurityLabelFileType' - string",
+    "    - 'SecurityLabelType' - string",
+    "    - 'Tmpfs' - string",
     "  - 'Volume' section",
     "    - 'VolumeName' - string",
     "    - 'Driver' - string",
@@ -261,6 +264,18 @@
               "WorkingDir": {
                 "description": "Working directory for initial process",
                 "type": "string"
+              },
+              "SecurityLabelFileType": {
+                "description": "SELinux file label to apply",
+                "type": "string"
+              },
+              "SecurityLabelType": {
+                "description": "SELinux label to apply",
+                "type": "string"
+              },
+              "Tmpfs": {
+                "description": "Mount a temporary filesystems at the specified location",
+                "type": "string"
               }
             }
           },