diff --git a/package-lock.json b/package-lock.json
index f71092b532..557fc55422 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15154,9 +15154,9 @@
       }
     },
     "intersection-observer": {
-      "version": "0.7.0",
-      "resolved": "https://registry.npmjs.org/intersection-observer/-/intersection-observer-0.7.0.tgz",
-      "integrity": "sha1-7ha+6XjbU1FurS8KgVSwm0ALvck="
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/intersection-observer/-/intersection-observer-0.9.0.tgz",
+      "integrity": "sha512-n2rP8fawV1EtOFPk5VsQ8uxBx1GqT/5kYYc/GwCQqMqgUJRryMJ4nqAlvqXlh6JmJWRp7PkJW+RrgSeIfOshgA=="
     },
     "into-stream": {
       "version": "3.1.0",
diff --git a/package.json b/package.json
index c544afc6f0..acf00a781d 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "gatsby-remark-prismjs": "^3.4.4",
     "gatsby-source-filesystem": "^2.2.2",
     "gatsby-transformer-remark": "^2.7.1",
-    "intersection-observer": "^0.7.0",
+    "intersection-observer": "^0.9.0",
     "prismjs": "^1.19.0",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",