diff --git a/app/components/UploadBlob.js b/app/components/UploadBlob.js
index 6fd1bca..cca872e 100644
--- a/app/components/UploadBlob.js
+++ b/app/components/UploadBlob.js
@@ -28,8 +28,13 @@ class UploadBlob extends Component {
         }
       ) {
         const data = proxy.readQuery({ query: uploadsQuery })
-        data.uploads.push(singleUpload)
-        proxy.writeQuery({ query: uploadsQuery, data })
+        proxy.writeQuery({
+          query: uploadsQuery,
+          data: {
+            ...data,
+            uploads: [...data.uploads, singleUpload]
+          }
+        })
       }
     })
   }
diff --git a/app/components/UploadFile.js b/app/components/UploadFile.js
index fd53acd..bf4fb88 100644
--- a/app/components/UploadFile.js
+++ b/app/components/UploadFile.js
@@ -19,8 +19,13 @@ const UploadFile = ({ mutate }) => {
         }
       ) {
         const data = proxy.readQuery({ query: uploadsQuery })
-        data.uploads.push(singleUpload)
-        proxy.writeQuery({ query: uploadsQuery, data })
+        proxy.writeQuery({
+          query: uploadsQuery,
+          data: {
+            ...data,
+            uploads: [...data.uploads, singleUpload]
+          }
+        })
       }
     })
 
diff --git a/app/components/UploadFileList.js b/app/components/UploadFileList.js
index 1359a08..96c6caa 100644
--- a/app/components/UploadFileList.js
+++ b/app/components/UploadFileList.js
@@ -14,8 +14,13 @@ const UploadFileList = ({ mutate }) => {
         }
       ) {
         const data = proxy.readQuery({ query: uploadsQuery })
-        data.uploads.push(...multipleUpload)
-        proxy.writeQuery({ query: uploadsQuery, data })
+        proxy.writeQuery({
+          query: uploadsQuery,
+          data: {
+            ...data,
+            uploads: [...data.uploads, ...multipleUpload]
+          }
+        })
       }
     })