diff --git a/package-lock.json b/package-lock.json
index df28f07..189814a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8693,6 +8693,11 @@
         }
       }
     },
+    "observe-element-in-viewport": {
+      "version": "0.0.15",
+      "resolved": "https://registry.npmjs.org/observe-element-in-viewport/-/observe-element-in-viewport-0.0.15.tgz",
+      "integrity": "sha512-BaJGtCHp8XXxe8zFOnsbv93f4SRLb0W5P3okGJkLLKC9IM9aXvpKF4C8lFxivcS5eROlNkhOCnUOSk4tUnJnKQ=="
+    },
     "on-finished": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
diff --git a/package.json b/package.json
index eeb88c0..79ac0dc 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
     "axios": "^0.21.0",
     "cross-env": "^5.2.0",
     "markdown-it": "^11.0.1",
+    "observe-element-in-viewport": "0.0.15",
     "scroll-into-view-if-needed": "^2.2.26",
     "slugify": "^1.4.5",
     "typeface-inter": "^3.15.0"