diff --git a/package.json b/package.json
index be1c74ae46..029bd8dd79 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "@matrix-org/olm": "https://gitlab.matrix.org/api/v4/projects/27/packages/npm/@matrix-org/olm/-/@matrix-org/olm-3.2.8.tgz",
     "browser-request": "^0.3.3",
     "gfm.css": "^1.1.2",
-    "jsrsasign": "^10.2.0",
+    "jsrsasign": "^10.5.25",
     "katex": "^0.12.0",
     "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-react-sdk": "github:matrix-org/matrix-react-sdk#develop",
diff --git a/yarn.lock b/yarn.lock
index bd9dde0ed0..b1ff3d7c72 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7891,10 +7891,10 @@ jsprim@^1.2.2:
     json-schema "0.4.0"
     verror "1.10.0"
 
-jsrsasign@^10.2.0:
-  version "10.5.20"
-  resolved "https://registry.yarnpkg.com/jsrsasign/-/jsrsasign-10.5.20.tgz#515a854a47c309cb350f32860dd37bfad1b81800"
-  integrity sha512-YHL6y8o6cnRoxwUY0eGpfvwj0pm9o0NToD4KXVp2UJC19oXSR2RgnSdSMplIRRKFovLAJGrAHqdb5MMznnhQDQ==
+jsrsasign@^10.5.25:
+  version "10.5.25"
+  resolved "https://registry.yarnpkg.com/jsrsasign/-/jsrsasign-10.5.25.tgz#8eb3f943718d73f2dd3d85f587f241a5316b835a"
+  integrity sha512-N7zxHaCwYvFlXsybq4p4RxRwn4AbEq3cEiyjbCrWmwA7g8aS4LTKDJ9AJmsXxwtYesYx0imJ+ITtkyyxLCgeIg==
 
 "jsx-ast-utils@^2.4.1 || ^3.0.0":
   version "3.3.0"