diff --git a/integtest/spec/helper/dsl/convert_all.rb b/integtest/spec/helper/dsl/convert_all.rb
index 5d1d210916f19..3d4cf9759dded 100644
--- a/integtest/spec/helper/dsl/convert_all.rb
+++ b/integtest/spec/helper/dsl/convert_all.rb
@@ -82,7 +82,7 @@ def convert_all_before_context(relative_conf: false, target_branch: nil,
       file_context 'html/static/jquery.js' do
         it 'is minified' do
           expect(contents).to include(<<~JS.strip)
-            /*! jQuery v1.12.4 | (c) jQuery Foundation | jquery.org/license */
+            /*! jQuery v3.5.1 | (c) JS Foundation and other contributors | jquery.org/license */
           JS
         end
         it "doesn't include a source map" do
diff --git a/package.json b/package.json
index 3bea3eda97dd4..fd671636add28 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   "dependencies": {
     "dedent": "^0.7.0",
     "details-polyfill": "^1.1.0",
-    "jquery": "^1.11.3",
+    "jquery": "3.5.1",
     "js-cookie": "^2.1.0",
     "linkstate": "^1.1.1",
     "parcel": "^1.12.3",
diff --git a/yarn.lock b/yarn.lock
index 36f1ef3865040..4decc038054eb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4043,10 +4043,10 @@ jest@^24.8.0:
     import-local "^2.0.0"
     jest-cli "^24.8.0"
 
-jquery@^1.11.3:
-  version "1.12.4"
-  resolved "https://registry.yarnpkg.com/jquery/-/jquery-1.12.4.tgz#01e1dfba290fe73deba77ceeacb0f9ba2fec9e0c"
-  integrity sha1-AeHfuikP5z3rp3zurLD5ui/sngw=
+jquery@3.5.1:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.5.1.tgz#d7b4d08e1bfdb86ad2f1a3d039ea17304717abb5"
+  integrity sha512-XwIBPqcMn57FxfT+Go5pzySnm4KWkT1Tv7gjrpT1srtf8Weynl6R273VJ5GjkRb51IzMp5nbaPjJXMWeju2MKg==
 
 js-base64@^2.1.9:
   version "2.5.1"