diff --git a/openapi.json b/openapi.json
index 5c89551..e848841 100644
--- a/openapi.json
+++ b/openapi.json
@@ -2,7 +2,7 @@
     "openapi": "3.0.2",
     "info": {
         "title": "Library API",
-        "version": "0.9.0",
+        "version": "1.0.0",
         "description": "A simple API for managing authors and books.",
         "contact": {
             "name": "Eric Wittmann",
@@ -303,6 +303,19 @@
                 },
                 "description": "Generic response when not found."
             }
+        },
+        "securitySchemes": {
+            "api-key": {
+                "type": "apiKey",
+                "name": "api-key",
+                "in": "header"
+            }
+        }
+    },
+    "security": [
+        {
+            "api-key": [
+            ]
         }
-    }
-}
+    ]
+}
\ No newline at end of file