diff --git a/package.json b/package.json
index b3d4178..6be2ad0 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "govuk-elements-sass": "^3.1.3",
     "govuk_template_jinja": "^0.26.0",
     "helmet": "^3.21.2",
-    "jquery": "^3.4.1",
+    "jquery": "^3.5.0",
     "nunjucks": "^3.2.0",
     "require-directory": "^2.1.1",
     "serve-favicon": "^2.5.0",
diff --git a/yarn.lock b/yarn.lock
index 480a88a..f3103ed 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3656,10 +3656,10 @@ istextorbinary@2.2.1:
     editions "^1.3.3"
     textextensions "2"
 
-jquery@^3.4.1:
-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.4.1.tgz#714f1f8d9dde4bdfa55764ba37ef214630d80ef2"
-  integrity sha512-36+AdBzCL+y6qjw5Tx7HgzeGCzC81MDDgaUP8ld2zhx58HdqXGoBd+tHdrBMiyjGQs0Hxs/MLZTu/eHNJJuWPw==
+jquery@^3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.5.0.tgz#9980b97d9e4194611c36530e7dc46a58d7340fc9"
+  integrity sha512-Xb7SVYMvygPxbFMpTFQiHh1J7HClEaThguL15N/Gg37Lri/qKyhRGZYzHRyLH8Stq3Aow0LsHO2O2ci86fCrNQ==
 
 js-base64@^2.1.8:
   version "2.5.1"