diff --git a/packages/json-rpc/src/parse.ts b/packages/json-rpc/src/parse.ts
index f1e103ee..d76ccf1d 100644
--- a/packages/json-rpc/src/parse.ts
+++ b/packages/json-rpc/src/parse.ts
@@ -4,8 +4,7 @@ import {
   isJsonCompatibleValue,
   JsonCompatibleDictionary,
   JsonCompatibleValue,
-} from "@iov/encoding";
-
+} from "./compatibility";
 import {
   JsonRpcError,
   JsonRpcErrorResponse,
diff --git a/packages/json-rpc/src/types.ts b/packages/json-rpc/src/types.ts
index 2cfbf76a..edcfcdcb 100644
--- a/packages/json-rpc/src/types.ts
+++ b/packages/json-rpc/src/types.ts
@@ -1,4 +1,4 @@
-import { JsonCompatibleArray, JsonCompatibleDictionary, JsonCompatibleValue } from "@iov/encoding";
+import { JsonCompatibleArray, JsonCompatibleDictionary, JsonCompatibleValue } from "./compatibility";
 
 export type JsonRpcId = number | string;
 
diff --git a/packages/json-rpc/src/workers/dummyservice.worker.ts b/packages/json-rpc/src/workers/dummyservice.worker.ts
index 426e9803..b0319c2f 100644
--- a/packages/json-rpc/src/workers/dummyservice.worker.ts
+++ b/packages/json-rpc/src/workers/dummyservice.worker.ts
@@ -2,8 +2,7 @@
 
 // for testing only
 
-import { isJsonCompatibleDictionary } from "@iov/encoding";
-
+import { isJsonCompatibleDictionary } from "../compatibility";
 import { parseJsonRpcId, parseJsonRpcRequest } from "../parse";
 import {
   jsonRpcCode,
diff --git a/packages/json-rpc/types/types.d.ts b/packages/json-rpc/types/types.d.ts
index 6a85ad93..6ff60e2a 100644
--- a/packages/json-rpc/types/types.d.ts
+++ b/packages/json-rpc/types/types.d.ts
@@ -1,4 +1,4 @@
-import { JsonCompatibleArray, JsonCompatibleDictionary, JsonCompatibleValue } from "@iov/encoding";
+import { JsonCompatibleArray, JsonCompatibleDictionary, JsonCompatibleValue } from "./compatibility";
 export declare type JsonRpcId = number | string;
 export interface JsonRpcRequest {
   readonly jsonrpc: "2.0";