diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20c9c8d6a53..93d9039b50e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@
 
 * Fix template strings usage in guessSchemaByRootField error message.  <br/>
   [@nagelflorian](https://github.com/nagelflorian) in [#936](https://github.com/apollographql/graphql-tools/pull/936)
+* Update `IFieldResolver` to allow typed input args.  <br/>
+  [@luk3thomas](https://github.com/luk3thomas) in [#932](https://github.com/apollographql/graphql-tools/pull/932)
 * Documentation updates.  <br/>
   [@Amorites](https://github.com/Amorites) in [#944](https://github.com/apollographql/graphql-tools/pull/944)  <br/>
   [@trevor-scheer](https://github.com/trevor-scheer) in [#946](https://github.com/apollographql/graphql-tools/pull/946)  <br/>
diff --git a/src/Interfaces.ts b/src/Interfaces.ts
index 02da5c7c07d..c8c688c5666 100644
--- a/src/Interfaces.ts
+++ b/src/Interfaces.ts
@@ -77,9 +77,9 @@ export type MergeInfo = {
   }>;
 };
 
-export type IFieldResolver<TSource, TContext> = (
+export type IFieldResolver<TSource, TContext, TArgs = { [argument: string]: any }> = (
   source: TSource,
-  args: { [argument: string]: any },
+  args: TArgs,
   context: TContext,
   info: GraphQLResolveInfo & { mergeInfo: MergeInfo },
 ) => any;