diff --git a/dev-packages/browser-integration-tests/package.json b/dev-packages/browser-integration-tests/package.json
index f0a2e01ff28c..e8bbf12964e3 100644
--- a/dev-packages/browser-integration-tests/package.json
+++ b/dev-packages/browser-integration-tests/package.json
@@ -67,7 +67,7 @@
     "@supabase/supabase-js": "2.109.0",
     "axios": "1.18.0",
     "babel-loader": "^10.1.1",
-    "fflate": "0.8.2",
+    "fflate": "0.8.3",
     "html-webpack-plugin": "^5.5.0",
     "webpack": "^5.95.0"
   },
diff --git a/packages/replay-internal/package.json b/packages/replay-internal/package.json
index e7c5a465826a..d48dbdd847de 100644
--- a/packages/replay-internal/package.json
+++ b/packages/replay-internal/package.json
@@ -75,7 +75,7 @@
     "@sentry-internal/replay-worker": "10.67.0",
     "@sentry/rrweb": "2.43.2",
     "@sentry/rrweb-snapshot": "2.43.2",
-    "fflate": "0.8.2",
+    "fflate": "0.8.3",
     "jest-matcher-utils": "^29.0.0",
     "jsdom-worker": "^0.3.0"
   },
diff --git a/packages/replay-worker/package.json b/packages/replay-worker/package.json
index 743577d8be70..ae98554bc780 100644
--- a/packages/replay-worker/package.json
+++ b/packages/replay-worker/package.json
@@ -55,7 +55,7 @@
   },
   "homepage": "https://docs.sentry.io/platforms/javascript/session-replay/",
   "dependencies": {
-    "fflate": "0.8.2"
+    "fflate": "0.8.3"
   },
   "engines": {
     "node": ">=20.19.0 <22.0.0 || >=22.12.0 <23.0.0 || >=23.2.0"
diff --git a/yarn.lock b/yarn.lock
index 48870ca9a512..d5458ba1d781 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -15814,10 +15814,10 @@ fecha@^4.2.0:
   resolved "https://registry.yarnpkg.com/fecha/-/fecha-4.2.3.tgz#4d9ccdbc61e8629b259fdca67e65891448d569fd"
   integrity sha512-OP2IUU6HeYKJi3i0z4A19kHMQoLVs4Hc+DPqqxI2h/DPZHTm/vjsfC6P0b4jCMy14XizLBqvndQ+UilD7707Jw==
 
-fflate@0.8.2:
-  version "0.8.2"
-  resolved "https://registry.yarnpkg.com/fflate/-/fflate-0.8.2.tgz#fc8631f5347812ad6028bbe4a2308b2792aa1dea"
-  integrity sha512-cPJU47OaAoCbg0pBvzsgpTPhmhqI5eJjh/JIu8tPj5q+T7iLvW/JAYUqmE7KOB4R1ZyEhzBaIQpQpardBF5z8A==
+fflate@0.8.3:
+  version "0.8.3"
+  resolved "https://registry.yarnpkg.com/fflate/-/fflate-0.8.3.tgz#bc27d8eb30343d4d512abb03480202ce65d825fc"
+  integrity sha512-tbZNuJrLwGUp3zshBtdy4W+ORxZuIh8a5ilyIEQDC5rY1f3U20JMry0Ll3WBzU58EZKsEuJFXhb5gwv8CsPvgA==
 
 fflate@^0.4.4:
   version "0.4.8"