diff --git a/apps/hash-frontend/package.json b/apps/hash-frontend/package.json
index 28f3de8275a..2d021ef89ad 100644
--- a/apps/hash-frontend/package.json
+++ b/apps/hash-frontend/package.json
@@ -145,7 +145,7 @@
     "eslint": "8.57.0",
     "graphology-types": "0.24.7",
     "rimraf": "6.0.1",
-    "sass": "1.78.0",
+    "sass": "1.79.1",
     "typescript": "5.6.2",
     "webpack": "5.94.0"
   },
diff --git a/apps/plugin-browser/package.json b/apps/plugin-browser/package.json
index 0285d2d65d3..0b15eee53a0 100755
--- a/apps/plugin-browser/package.json
+++ b/apps/plugin-browser/package.json
@@ -80,7 +80,7 @@
     "process": "0.11.10",
     "react-refresh": "0.14.0",
     "react-refresh-typescript": "2.0.9",
-    "sass": "1.78.0",
+    "sass": "1.79.1",
     "sass-loader": "13.3.3",
     "source-map-loader": "3.0.2",
     "style-loader": "3.3.4",
diff --git a/yarn.lock b/yarn.lock
index a434c834843..5deedfe95d4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14259,7 +14259,7 @@ cheerio@^1.0.0-rc.10:
     parse5 "^7.0.0"
     parse5-htmlparser2-tree-adapter "^7.0.0"
 
-"chokidar@>=3.0.0 <4.0.0", chokidar@^3.4.0, chokidar@^3.5.1, chokidar@^3.5.3, chokidar@^3.6.0:
+chokidar@^3.4.0, chokidar@^3.5.1, chokidar@^3.5.3, chokidar@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.6.0.tgz#197c6cc669ef2a8dc5e7b4d97ee4e092c3eb0d5b"
   integrity sha512-7VT13fmjotKpGipCW9JEQAusEPE+Ei8nl6/g4FBAmIm0GOOLMua9NDDo/DWp0ZAxCr3cPq5ZpBqmPAQgDda2Pw==
@@ -14274,6 +14274,13 @@ cheerio@^1.0.0-rc.10:
   optionalDependencies:
     fsevents "~2.3.2"
 
+chokidar@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-4.0.0.tgz#4d603963e5dd762dc5c7bb1cb5664e53a3002225"
+  integrity sha512-mxIojEAQcuEvT/lyXq+jf/3cO/KoA6z4CeNDGGevTybECPOMFCnQy3OPahluUkbqgPNGw5Bi78UC7Po6Lhy+NA==
+  dependencies:
+    readdirp "^4.0.1"
+
 chownr@^1.1.1:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
@@ -27139,6 +27146,11 @@ readdir-glob@^1.1.2:
   dependencies:
     minimatch "^5.1.0"
 
+readdirp@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-4.0.1.tgz#b2fe35f8dca63183cd3b86883ecc8f720ea96ae6"
+  integrity sha512-GkMg9uOTpIWWKbSsgwb5fA4EavTR+SG/PMPoAY8hkhHfEEY0/vqljY+XHqtDf2cr2IJtoNRDbrrEpZUiZCkYRw==
+
 readdirp@~3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.6.0.tgz#74a370bd857116e245b29cc97340cd431a02a6c7"
@@ -27957,12 +27969,12 @@ sass-lookup@^5.0.1:
   dependencies:
     commander "^10.0.1"
 
-sass@1.78.0, sass@^1.52.3:
-  version "1.78.0"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.78.0.tgz#cef369b2f9dc21ea1d2cf22c979f52365da60841"
-  integrity sha512-AaIqGSrjo5lA2Yg7RvFZrlXDBCp3nV4XP73GrLGvdRWWwk+8H3l0SDvq/5bA4eF+0RFPLuWUk3E+P1U/YqnpsQ==
+sass@1.79.1, sass@^1.52.3:
+  version "1.79.1"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.79.1.tgz#0c572e8f09cc4095c27077567f78dbb9b3dceeb2"
+  integrity sha512-+mA7svoNKeL0DiJqZGeR/ZGUu8he4I8o3jyUcOFyo4eBJrwNgIMmAEwCMo/N2Y3wdjOBcRzoNxZIOtrtMX8EXg==
   dependencies:
-    chokidar ">=3.0.0 <4.0.0"
+    chokidar "^4.0.0"
     immutable "^4.0.0"
     source-map-js ">=0.6.2 <2.0.0"