diff --git a/package.json b/package.json
index 46f59fe7..85549e07 100644
--- a/package.json
+++ b/package.json
@@ -88,7 +88,7 @@
     "handlebars-loader": "1.7.0",
     "html-minifier": "3.5.20",
     "html-minifier-loader": "1.4.1",
-    "intersection-observer": "0.5.0",
+    "intersection-observer": "0.5.1",
     "istanbul-instrumenter-loader": "3.0.1",
     "jquery": "3.3.1",
     "jquery-ui": "1.12.1",
diff --git a/yarn.lock b/yarn.lock
index 78d0babf..7f0d40b6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3597,9 +3597,9 @@ interpret@^1.0.1, interpret@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.1.0.tgz#7ed1b1410c6a0e0f78cf95d3b8440c63f78b8614"
 
-intersection-observer@0.5.0:
-  version "0.5.0"
-  resolved "https://registry.yarnpkg.com/intersection-observer/-/intersection-observer-0.5.0.tgz#9fe8bee3953c755b1485c38efd9633d535775ea6"
+intersection-observer@0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/intersection-observer/-/intersection-observer-0.5.1.tgz#e340fc56ce74290fe2b2394d1ce88c4353ac6dfa"
 
 into-stream@^3.1.0:
   version "3.1.0"