diff --git a/package-lock.json b/package-lock.json
index 6df36f5..721f4b5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@waku/react-native",
-  "version": "0.0.9",
+  "version": "0.0.11",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@waku/react-native",
-      "version": "0.0.9",
+      "version": "0.0.11",
       "license": "MIT",
       "dependencies": {
         "base-64": "^1.0.0",
diff --git a/package.json b/package.json
index 0900818..37fe5c4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@waku/react-native",
-  "version": "0.0.10",
+  "version": "0.0.11",
   "description": "Waku React Native",
   "author": "Status Research & Development GMBH",
   "authors": [
diff --git a/src/index.tsx b/src/index.tsx
index 6055d55..6004ea4 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -166,7 +166,10 @@ export function relayPublish(
   timeoutMs: Number = 0
 ): Promise<string> {
   return new Promise<string>(async (resolve, reject) => {
-    let messageJSON = JSON.stringify(msg);
+    let messageJSON = JSON.stringify(msg).replace(
+      /"timestamp":"([0-9]+)"/,
+      `"timestamp":$1`
+    );
     let response = JSON.parse(
       await ReactNative.relayPublish(messageJSON, pubsubTopic, timeoutMs)
     );
@@ -516,7 +519,10 @@ export function lightpushPublish(
   timeoutMs: Number = 0
 ): Promise<string> {
   return new Promise<string>(async (resolve, reject) => {
-    let messageJSON = JSON.stringify(msg);
+    let messageJSON = JSON.stringify(msg).replace(
+      /"timestamp":"([0-9]+)"/,
+      `"timestamp":$1`
+    );
     let response = JSON.parse(
       await ReactNative.lightpushPublish(
         messageJSON,
@@ -722,7 +728,9 @@ export function storeQuery(
         ? bigInt(query.endTime.valueOf()).multiply(OneMillion).toString(10)
         : 0,
       pagingOptions: query.pagingOptions,
-    });
+    })
+      .replace(/"startTime":"([0-9]+)"/, `"startTime":$1`)
+      .replace(/"endTime":"([0-9]+)"/, `"endTime":$1`);
     let response = JSON.parse(
       await ReactNative.storeQuery(queryJSON, peerID, timeoutMs)
     );