diff --git a/package.json b/package.json
index d8a75f2d6..a3ef806d6 100644
--- a/package.json
+++ b/package.json
@@ -124,7 +124,7 @@
     "koa-onerror": "^4.2.0",
     "koa-router": "7.4.0",
     "koa-send": "5.0.1",
-    "koa-sslify": "2.1.2",
+    "koa-sslify": "5.0.0",
     "koa-useragent": "^4.1.0",
     "lodash": "^4.17.21",
     "mammoth": "^1.4.19",
@@ -252,7 +252,7 @@
     "@types/koa-mount": "^4.0.1",
     "@types/koa-router": "^7.4.4",
     "@types/koa-send": "^4.1.3",
-    "@types/koa-sslify": "^2.1.0",
+    "@types/koa-sslify": "^4.0.3",
     "@types/koa-useragent": "^2.1.2",
     "@types/markdown-it": "^12.2.3",
     "@types/markdown-it-container": "^2.0.5",
diff --git a/server/services/web.ts b/server/services/web.ts
index 9b3decbea..fa31e134e 100644
--- a/server/services/web.ts
+++ b/server/services/web.ts
@@ -6,7 +6,7 @@ import {
   referrerPolicy,
 } from "koa-helmet";
 import mount from "koa-mount";
-import enforceHttps from "koa-sslify";
+import enforceHttps, { xForwardedProtoResolver } from "koa-sslify";
 import env from "@server/env";
 import Logger from "@server/logging/Logger";
 import routes from "../routes";
@@ -40,7 +40,7 @@ export default function init(app: Koa = new Koa()): Koa {
     if (env.FORCE_HTTPS) {
       app.use(
         enforceHttps({
-          trustProtoHeader: true,
+          resolver: xForwardedProtoResolver,
         })
       );
     } else {
diff --git a/yarn.lock b/yarn.lock
index 179065fbb..eb7c044ce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2959,10 +2959,10 @@
   dependencies:
     "@types/koa" "*"
 
-"@types/koa-sslify@^2.1.0":
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/@types/koa-sslify/-/koa-sslify-2.1.0.tgz#549f0ffed299f355228f773168c3de5662553876"
-  integrity sha512-wd6P0lPcnj5TWruzLucmQ75cdxkYVSimNAEpyKNRJ4wju8jruhJZYGod4l2R9ODq3LoBKtp/yd6PZu7c+w5/xg==
+"@types/koa-sslify@^4.0.3":
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/@types/koa-sslify/-/koa-sslify-4.0.3.tgz#c0fe5a3abe9ec3a8ca9225b7c467b54f505c083b"
+  integrity sha512-FfbgV4Dex2FtnonU6uAA0BhEh+pGTWY63UkP14+StrlC0e3RNOGx6GZc3HMN3wzBRNchLhcnkyO7/hHLnx3bPw==
   dependencies:
     "@types/koa" "*"
 
@@ -10142,10 +10142,10 @@ koa-send@5.0.1, koa-send@^5.0.0:
     http-errors "^1.7.3"
     resolve-path "^1.4.0"
 
-koa-sslify@2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/koa-sslify/-/koa-sslify-2.1.2.tgz#8947fd53949d69d539607814097863c1ecf38f30"
-  integrity sha1-iUf9U5SdadU5YHgUCXhjwezzjzA=
+koa-sslify@5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/koa-sslify/-/koa-sslify-5.0.0.tgz#f3047de9afc92ad960208cea87fcac43795791a7"
+  integrity sha512-3Qc/DxPcH4BavYkt7xOVDFbaS7nR8oCozb/0dlIpLlyGVhFXcjHETWBwE3QrDLwjKOVJj6ykwRJoNzPT9QxCag==
 
 koa-static@^5.0.0:
   version "5.0.0"