diff --git a/types/keystonejs__keystone/index.d.ts b/types/keystonejs__keystone/index.d.ts
index f4894f06d5..10a1c41543 100644
--- a/types/keystonejs__keystone/index.d.ts
+++ b/types/keystonejs__keystone/index.d.ts
@@ -1,7 +1,8 @@
-// Type definitions for @keystonejs/keystone 5.2
+// Type definitions for @keystonejs/keystone 6.0
 // Project: https://github.com/keystonejs/keystone
 // Definitions by: Kevin Brown <https://github.com/thekevinbrown>
 //                 Timothee Clain <https://github.com/tclain>
+//                 Abhijith Vijayan <https://github.com/abhijithvijayan>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 3.5
 
@@ -48,7 +49,21 @@ declare module '@keystonejs/keystone' {
     }
 
     interface AuthenticationContext {
-        authentication: { item: any }; // TODO
+        authentication: {
+            item: {
+                id: string;
+                name: string;
+                email: string;
+                isAdmin: boolean;
+                password: string;
+            };
+            listKey: string;
+            operation: string;
+            originalInput?: any; // TODO: types
+            gqlName: string;
+            itemId?: any; // TODO: types
+            itemIds?: any; // TODO: types
+        };
     }
 
     interface GraphQLWhereClause {
@@ -217,6 +232,11 @@ declare module '@keystonejs/keystone' {
         mutations?: GraphQLExtension[];
     }
 
+    interface QueryExecutionSchema {
+        variables?: any;
+        context?: any;
+    }
+
     class Keystone<ListNames extends string = string> {
         constructor(options: KeystoneOptions);
 
@@ -228,7 +248,7 @@ declare module '@keystonejs/keystone' {
 
         // The return type is actually important info here. I don't believe this generic is unnecessary.
         // tslint:disable-next-line:no-unnecessary-generics
-        executeQuery<Output = any>(query: string, config: { variables: any; context: any }): Output;
+        executeQuery<Output = any>(query: string, config?: QueryExecutionSchema): Output;
         connect(): Promise<void>;
         disconnect(): Promise<void>;