diff --git a/package-lock.json b/package-lock.json
index 1637597e..db5aa882 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,7 +26,7 @@
         "eventemitter3": "^3.1.0",
         "glob": "^7.1.2",
         "http-server": "github:readium/http-server#9c6e56279af34381a5dae640b7d73762e8135bd7",
-        "jquery": "2.x.x",
+        "jquery": "3.x.x",
         "jquery-sizes": "github:readium/jquery-sizes#d26d2510d069f84a64052c443a06b8534c5e9d0e",
         "jshint": "^2.9.5",
         "json": "^9.0.6",
@@ -2696,9 +2696,9 @@
       }
     },
     "node_modules/jquery": {
-      "version": "2.2.4",
-      "resolved": "https://registry.npmjs.org/jquery/-/jquery-2.2.4.tgz",
-      "integrity": "sha1-LInWiJterFIqfuoywUUhVZxsvwI=",
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.5.0.tgz",
+      "integrity": "sha512-Xb7SVYMvygPxbFMpTFQiHh1J7HClEaThguL15N/Gg37Lri/qKyhRGZYzHRyLH8Stq3Aow0LsHO2O2ci86fCrNQ==",
       "dev": true
     },
     "node_modules/jquery-sizes": {
@@ -7268,9 +7268,9 @@
       "dev": true
     },
     "jquery": {
-      "version": "2.2.4",
-      "resolved": "https://registry.npmjs.org/jquery/-/jquery-2.2.4.tgz",
-      "integrity": "sha1-LInWiJterFIqfuoywUUhVZxsvwI=",
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.5.0.tgz",
+      "integrity": "sha512-Xb7SVYMvygPxbFMpTFQiHh1J7HClEaThguL15N/Gg37Lri/qKyhRGZYzHRyLH8Stq3Aow0LsHO2O2ci86fCrNQ==",
       "dev": true
     },
     "jquery-sizes": {
diff --git a/package.json b/package.json
index cc5dbbc6..e7d9e417 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "eventemitter3": "^3.1.0",
     "glob": "^7.1.2",
     "http-server": "github:readium/http-server#9c6e56279af34381a5dae640b7d73762e8135bd7",
-    "jquery": "2.x.x",
+    "jquery": "3.x.x",
     "jquery-sizes": "github:readium/jquery-sizes#d26d2510d069f84a64052c443a06b8534c5e9d0e",
     "jshint": "^2.9.5",
     "json": "^9.0.6",