diff --git a/schema.graphqls b/schema.graphqls
index a2a8eca..59915e2 100644
--- a/schema.graphqls
+++ b/schema.graphqls
@@ -87,6 +87,8 @@ type Query {
 
   isNotificationScheduled(input: NotificationInput!): Boolean
   secondsThresholdForNotification(input: NotificationInput!): Int
+
+  schemaVersion: ID!
 }
 
 # Mutations
diff --git a/src/resolvers/QueryResolvers.ts b/src/resolvers/QueryResolvers.ts
index 08a415f..5bbaed1 100644
--- a/src/resolvers/QueryResolvers.ts
+++ b/src/resolvers/QueryResolvers.ts
@@ -1,6 +1,8 @@
 import { ServerContext } from "../ServerContext";
 import { Resolvers } from "../generated/graphql";
 
+const GRAPHQL_SCHEMA_VERSION = "1";
+
 export const QueryResolvers: Resolvers<ServerContext> = {
   Query: {
     systems: async (_parent, args, contextValue, _info) => {
@@ -46,5 +48,8 @@ export const QueryResolvers: Resolvers<ServerContext> = {
 
       return null;
     },
+    schemaVersion: async (_parent, _args, _contextValue, _info) => {
+      return GRAPHQL_SCHEMA_VERSION;
+    },
   },
 }