diff --git a/src/makim/schema.json b/src/makim/schema.json
index 3f41f7a..42f34de 100644
--- a/src/makim/schema.json
+++ b/src/makim/schema.json
@@ -51,7 +51,7 @@
               "description": "Password for SSH connection (optional)."
             },
             "port": {
-              "type": "integer",
+              "type": "number",
               "description": "SSH port number (default is 22)."
             }
           },