diff --git a/package.json b/package.json
index 2b793266..ec6f6d2d 100644
--- a/package.json
+++ b/package.json
@@ -93,7 +93,7 @@
     "react-router-dom": "^5.2.0",
     "react-scroll": "^1.8.2",
     "redux": "^4.1.0",
-    "revolt.js": "4.3.3-alpha.7",
+    "revolt.js": "4.3.3-alpha.8",
     "rimraf": "^3.0.2",
     "sass": "^1.35.1",
     "shade-blend-color": "^1.0.0",
diff --git a/src/components/common/messaging/attachments/AttachmentActions.tsx b/src/components/common/messaging/attachments/AttachmentActions.tsx
index 28e3157a..0248abd4 100644
--- a/src/components/common/messaging/attachments/AttachmentActions.tsx
+++ b/src/components/common/messaging/attachments/AttachmentActions.tsx
@@ -19,7 +19,7 @@ export default function AttachmentActions({ attachment }: Props) {
     const download_url = url.replace('attachments', 'attachments/download')
 
     // for some reason revolt.js says the size is a string even though it's a number
-    const filesize = determineFileSize(size as unknown as number);
+    const filesize = determineFileSize(size);
 
     switch (metadata.type) {
         case 'Image':
diff --git a/yarn.lock b/yarn.lock
index c3f2ec5c..48f54160 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3495,10 +3495,10 @@ reusify@^1.0.4:
   resolved "https://registry.yarnpkg.com/reusify/-/reusify-1.0.4.tgz#90da382b1e126efc02146e90845a88db12925d76"
   integrity sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==
 
-revolt.js@4.3.3-alpha.7:
-  version "4.3.3-alpha.7"
-  resolved "https://registry.yarnpkg.com/revolt.js/-/revolt.js-4.3.3-alpha.7.tgz#de6ecef444e8368aac3753761e2e10f516f50712"
-  integrity sha512-oi76A+EIxrD+tVRTU8s2LISFBpvMf0kpinw5rdukoc1VWpl0bCC6Kko26yC7lhVkWGLTZxHMOKaUkgbOgy0flA==
+revolt.js@4.3.3-alpha.8:
+  version "4.3.3-alpha.8"
+  resolved "https://registry.yarnpkg.com/revolt.js/-/revolt.js-4.3.3-alpha.8.tgz#2a191ffa9d4c304e328b5eb8d9dc1e13e1f99d9a"
+  integrity sha512-A6sjZ7cmeQuqS9otzANv+Rg4CfvpsTMoDARBwQuez4O7NPRopdWNHylUPo20UutAPzW9xoqVbF8673VlTu5Jag==
   dependencies:
     "@insertish/mutable" "1.1.0"
     axios "^0.19.2"