diff --git a/packages/fxa-content-server/package.json b/packages/fxa-content-server/package.json
index ba21e20f60a..e6424c473df 100644
--- a/packages/fxa-content-server/package.json
+++ b/packages/fxa-content-server/package.json
@@ -118,7 +118,7 @@
     "on-headers": "1.0.2",
     "postcss-cli": "11.0.0",
     "postcss-loader": "8.1.1",
-    "sass-loader": "^14.2.1",
+    "sass-loader": "^16.0.3",
     "serve-static": "^1.16.0",
     "source-map": "^0.7.3",
     "source-map-loader": "^5.0.0",
diff --git a/packages/fxa-react/package.json b/packages/fxa-react/package.json
index ffd01068f6a..6ae68c958e7 100644
--- a/packages/fxa-react/package.json
+++ b/packages/fxa-react/package.json
@@ -90,7 +90,7 @@
     "postcss-import": "^16.1.0",
     "prettier": "^2.3.1",
     "rimraf": "^6.0.1",
-    "sass-loader": "^14.2.1",
+    "sass-loader": "^16.0.3",
     "storybook": "^7.0.23",
     "tailwindcss": "3.4.3",
     "tsc-alias": "^1.8.8",
diff --git a/packages/fxa-settings/package.json b/packages/fxa-settings/package.json
index 6b0b5c314bf..afb8f598e22 100644
--- a/packages/fxa-settings/package.json
+++ b/packages/fxa-settings/package.json
@@ -178,7 +178,7 @@
     "rehype-raw": "^6.1.1",
     "resolve": "^1.22.8",
     "resolve-url-loader": "^5.0.0",
-    "sass-loader": "^14.2.1",
+    "sass-loader": "^16.0.3",
     "semver": "^7.6.3",
     "source-map-loader": "^5.0.0",
     "stream-browserify": "^3.0.0",
diff --git a/yarn.lock b/yarn.lock
index 648ba30dcf7..22b9f592cce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -41219,7 +41219,7 @@ fsevents@~2.1.1:
     proxyquire: ^2.1.3
     request: ^2.88.2
     request-promise: 4.2.6
-    sass-loader: ^14.2.1
+    sass-loader: ^16.0.3
     serve-static: ^1.16.0
     sinon: 4.5.0
     sinon-chai: ^4.0.0
@@ -41652,7 +41652,7 @@ fsevents@~2.1.1:
     prettier: ^2.3.1
     react-helmet: ^6.1.0
     rimraf: ^6.0.1
-    sass-loader: ^14.2.1
+    sass-loader: ^16.0.3
     sinon: ^9.2.3
     storybook: ^7.0.23
     tailwindcss: 3.4.3
@@ -41773,7 +41773,7 @@ fsevents@~2.1.1:
     rehype-raw: ^6.1.1
     resolve: ^1.22.8
     resolve-url-loader: ^5.0.0
-    sass-loader: ^14.2.1
+    sass-loader: ^16.0.3
     semver: ^7.6.3
     sinon: ^15.0.1
     source-map-loader: ^5.0.0
@@ -62614,9 +62614,9 @@ resolve@1.1.7:
   languageName: node
   linkType: hard
 
-"sass-loader@npm:^14.2.1":
-  version: 14.2.1
-  resolution: "sass-loader@npm:14.2.1"
+"sass-loader@npm:^16.0.3":
+  version: 16.0.3
+  resolution: "sass-loader@npm:16.0.3"
   dependencies:
     neo-async: ^2.6.2
   peerDependencies:
@@ -62636,7 +62636,7 @@ resolve@1.1.7:
       optional: true
     webpack:
       optional: true
-  checksum: f0c4710587d4cae56cad56eb46fe32c4a71c61a508951660dfb5a4cf873a3f221ec97658f364700fb4e3271376f7280656d4db9344754f7aab77d22bca70e22d
+  checksum: 888b2fbe4e1455778ecb9fde77d9803fc5b7c01137740512f701acb1716830a9d8290cf664734f8472455353fa09a919c693a6d2c42c4d21c1fdc77a2a06db52
   languageName: node
   linkType: hard