diff --git a/packages/packer/package.json b/packages/packer/package.json
index 9aabd7f65b..bc4240bfd8 100644
--- a/packages/packer/package.json
+++ b/packages/packer/package.json
@@ -79,7 +79,7 @@
   },
   "dependencies": {
     "@sentry/rrweb-types": "2.44.0",
-    "fflate": "^0.4.4"
+    "fflate": "^0.4.9"
   },
   "browserslist": [
     "supports es6-class"
diff --git a/packages/rrweb/package.json b/packages/rrweb/package.json
index ff575de6e3..16f7b3ff7c 100644
--- a/packages/rrweb/package.json
+++ b/packages/rrweb/package.json
@@ -118,7 +118,7 @@
     "@types/css-font-loading-module": "0.0.7",
     "@xstate/fsm": "^1.4.0",
     "base64-arraybuffer": "^1.0.1",
-    "fflate": "^0.4.4",
+    "fflate": "^0.4.9",
     "mitt": "^3.0.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 9c51693855..203d34ecf9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3219,6 +3219,7 @@ cssesc@^3.0.0:
 
 cssom@^0.5.0, "cssom@https://registry.npmjs.org/rrweb-cssom/-/rrweb-cssom-0.6.0.tgz", cssom@~0.3.6:
   version "0.6.0"
+  uid ed298055b97cbddcdeb278f904857629dec5e0e1
   resolved "https://registry.npmjs.org/rrweb-cssom/-/rrweb-cssom-0.6.0.tgz#ed298055b97cbddcdeb278f904857629dec5e0e1"
 
 cssstyle@^2.3.0:
@@ -3963,10 +3964,10 @@ fdir@^6.2.0, fdir@^6.4.4, fdir@^6.5.0:
   resolved "https://registry.yarnpkg.com/fdir/-/fdir-6.5.0.tgz#ed2ab967a331ade62f18d077dae192684d50d350"
   integrity sha512-tIbYtZbucOs0BRGqPJkshJUYdL+SDH7dVM8gjy+ERp3WAUjLEFJE+02kanyHtwjWOnwrKYBiwAmM0p4kLJAnXg==
 
-fflate@^0.4.4:
-  version "0.4.8"
-  resolved "https://registry.yarnpkg.com/fflate/-/fflate-0.4.8.tgz#f90b82aefbd8ac174213abb338bd7ef848f0f5ae"
-  integrity sha512-FJqqoDBR00Mdj9ppamLa/Y7vxm+PRmNWA67N846RvsoYVMKB4q3y/de5PA7gUmRMYK/8CMz2GDZQmCRN1wBcWA==
+fflate@^0.4.9:
+  version "0.4.9"
+  resolved "https://registry.yarnpkg.com/fflate/-/fflate-0.4.9.tgz#b5d1fd9776e4d3cbcd1a83a1f163b984a0972e21"
+  integrity sha512-zdxgIEddhfsyCaWpJ2SdXEP8ZMrKJ6+5jl4OupODcywU0IhRk6gdXuVGcPICyfx2H97hVK7xmJtRLPjkxAX8Vw==
 
 file-entry-cache@^6.0.1:
   version "6.0.1"
@@ -4832,13 +4833,20 @@ js-yaml@^3.6.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
-js-yaml@^4.1.0, js-yaml@^4.1.1, js-yaml@^4.3.1, js-yaml@~4.1.1:
+js-yaml@^4.1.0, js-yaml@^4.1.1:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.3.1.tgz#01216c001d67f48e2cd560d708c7af21090a3848"
   integrity sha512-CY6crGq313MX8GkwvB7tzgp99vjQxY1++5y10/BKN/GUfHqWaOGQMNZkBvqSzsZKWk/ijwHlWzzkLulsGHhjWQ==
   dependencies:
     argparse "^2.0.1"
 
+js-yaml@^4.3.1, js-yaml@~4.1.1:
+  version "4.3.2"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.3.2.tgz#8e44fb14a2643c59726bb15787b5f1512cb3d3fb"
+  integrity sha512-SFNOvSJ+Dgf/9An904Yx+CgSlIPCkIpao4qo51lpee25TIRejdH3rhR4EZMGoNx3/TP3O+wzWuiTFl4sqbltzA==
+  dependencies:
+    argparse "^2.0.1"
+
 jsbn@1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-1.1.0.tgz#b01307cb29b618a1ed26ec79e911f803c4da0040"
@@ -5199,9 +5207,9 @@ map-obj@^4.0.0:
   integrity sha512-hdN1wVrZbb29eBGiGjJbeP8JbKjq1urkHJ/LIP/NY48MZ1QVXUsQBV1G1zvYFHn1XE06cwjBsOI2K3Ulnj1YXQ==
 
 markdown-it@^14.3.0, markdown-it@~14.1.1:
-  version "14.3.0"
-  resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-14.3.0.tgz#8542fa5506e3530f7e2b08dc3885630135c5620e"
-  integrity sha512-RCEsPjR+sr0x+AuYp601tKTkgFG4YEPLCzHST3cQ/fhlJkqAkz1L2/Qbp1j9qw5SBwQHFBoW8+hoN5xssOF0Tw==
+  version "14.3.1"
+  resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-14.3.1.tgz#8974e2473779363ed5682ea377f31564ee51e292"
+  integrity sha512-4Ej49aYTDFIQ+uBkfX8GBvJGccoARxxPep+7aWTs55ozbjQJpW9M26Fe53vnGgvLeVzva/amzjQQaQu9w0vMhA==
   dependencies:
     argparse "^2.0.1"
     entities "^4.5.0"