diff --git a/kolibri/plugins/perseus_viewer/package.json b/kolibri/plugins/perseus_viewer/package.json
index f55421590d4..8b94614f26b 100644
--- a/kolibri/plugins/perseus_viewer/package.json
+++ b/kolibri/plugins/perseus_viewer/package.json
@@ -14,7 +14,7 @@
     "fractional": "^1.0.0",
     "immutable": "^3.8.1",
     "jquery": "2.2.4",
-    "jszip": "^3.8.0",
+    "jszip": "^3.10.1",
     "kmath": "^0.0.1",
     "qtip2": "2.2.0",
     "raphael": "^2.2.7",
diff --git a/yarn.lock b/yarn.lock
index dc1650b721b..730d529058f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7300,15 +7300,15 @@ json5@^2.1.2, json5@^2.2.2:
   resolved "https://registry.yarnpkg.com/json5/-/json5-2.2.3.tgz#78cd6f1a19bdc12b73db5ad0c61efd66c1e29283"
   integrity sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg==
 
-jszip@*, jszip@^3.1.5, jszip@^3.8.0:
-  version "3.8.0"
-  resolved "https://registry.yarnpkg.com/jszip/-/jszip-3.8.0.tgz#a2ac3c33fe96a76489765168213655850254d51b"
-  integrity sha512-cnpQrXvFSLdsR9KR5/x7zdf6c3m8IhZfZzSblFEHSqBaVwD2nvJ4CuCKLyvKvwBgZm08CgfSoiTBQLm5WW9hGw==
+jszip@*, jszip@^3.1.5, jszip@^3.10.1:
+  version "3.10.1"
+  resolved "https://registry.yarnpkg.com/jszip/-/jszip-3.10.1.tgz#34aee70eb18ea1faec2f589208a157d1feb091c2"
+  integrity sha512-xXDvecyTpGLrqFrvkrUSoxxfJI5AH7U8zxxtVclpsUtMCq4JQ290LY8AW5c7Ggnr/Y/oK+bQMbqK2qmtk3pN4g==
   dependencies:
     lie "~3.3.0"
     pako "~1.0.2"
     readable-stream "~2.3.6"
-    set-immediate-shim "~1.0.1"
+    setimmediate "^1.0.5"
 
 keen-ui@^1.3.0:
   version "1.3.1"
@@ -9785,11 +9785,6 @@ set-blocking@^2.0.0:
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
   integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
 
-set-immediate-shim@~1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz#4b2b1b27eb808a9f8dcc481a58e5e56f599f3f61"
-  integrity sha1-SysbJ+uAip+NzEgaWOXlb1mfP2E=
-
 setimmediate@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"