diff --git a/src/Dropzone.tsx b/src/Dropzone.tsx
index da29a80..1dae393 100644
--- a/src/Dropzone.tsx
+++ b/src/Dropzone.tsx
@@ -500,7 +500,7 @@ class Dropzone extends React.Component<IDropzoneProps, { active: boolean; dragge
     let params: IUploadParams | null = null
     try {
       params = await getUploadParams(fileWithMeta)
-    } catch (e) {
+    } catch (e: any) {
       console.error('Error Upload Params', e.stack)
     }
     if (params === null) return
@@ -632,7 +632,7 @@ class Dropzone extends React.Component<IDropzoneProps, { active: boolean; dragge
 
     let previews = null
     if (PreviewComponent !== null) {
-      previews = files.map(f => {
+      previews: any = files.map(f => {
         return (
           //@ts-ignore
           <Preview
diff --git a/src/utils.ts b/src/utils.ts
index 707918d..ebc6d89 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -94,7 +94,7 @@ export const mergeStyles = (
 export const getFilesFromEvent = (
   event: React.DragEvent<HTMLElement> | React.ChangeEvent<HTMLInputElement>,
 ): Array<File | DataTransferItem> => {
-  let items = null
+  let items: any = null
 
   if ('dataTransfer' in event) {
     const dt = event.dataTransfer