diff --git a/package-lock.json b/package-lock.json
index 9bbf4558..3e40c2c6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12637,9 +12637,9 @@
       "integrity": "sha512-MUj2XlMB8kpe+8DJUGH/3UJm4XpI8XEgZQ+CiHDeyrGoKPdW/8FJv6ku+3UiYm5Fz3CWaL+iXmD8Q4Ap6aC1Jw=="
     },
     "jquery": {
-      "version": "1.12.4",
-      "resolved": "https://registry.npmjs.org/jquery/-/jquery-1.12.4.tgz",
-      "integrity": "sha1-AeHfuikP5z3rp3zurLD5ui/sngw="
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.4.0.tgz",
+      "integrity": "sha512-ggRCXln9zEqv6OqAGXFEcshF5dSBvCkzj6Gm2gzuR5fWawaX8t7cxKVkkygKODrDAzKdoYw3l/e3pm3vlT4IbQ=="
     },
     "js-base64": {
       "version": "2.5.1",
diff --git a/package.json b/package.json
index 5bff9cf5..fafcdeee 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "gatsby-transformer-json": "^2.1.4",
     "gatsby-transformer-remark": "^2.1.1",
     "gatsby-transformer-sharp": "^2.1.1",
-    "jquery": "^1.9.1",
+    "jquery": "^3.4.0",
     "markdown-spellcheck": "^1.3.1",
     "node-sass": "^4.9.3",
     "popper.js": "^1.14.7",