diff --git a/package-lock.json b/package-lock.json
index d016a1973..93ca0f774 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -109,7 +109,7 @@
         "redux-mock-store": "1.5.5",
         "redux-thunk": "2.4.2",
         "regenerator-runtime": "0.13.9",
-        "sass": "1.80.6",
+        "sass": "1.80.7",
         "sass-loader": "10.5.2",
         "scratch-gui": "4.1.3",
         "scratch-l10n": "4.0.27",
@@ -13304,9 +13304,9 @@
       "license": "MIT"
     },
     "node_modules/immutable": {
-      "version": "4.3.7",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.7.tgz",
-      "integrity": "sha512-1hqclzwYwjRDFLjcFxOM5AYkkG0rpFPpr1RLPMEuGczoS7YA8gLhy8SWXYRAA/XwfEHpfo3cw5JGioS32fnMRw==",
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-5.0.2.tgz",
+      "integrity": "sha512-1NU7hWZDkV7hJ4PJ9dur9gTNQ4ePNPN4k9/0YhwjzykTi/+3Q5pF93YU5QoVj8BuOnhLgaY8gs0U2pj4kSYVcw==",
       "dev": true,
       "license": "MIT"
     },
@@ -21905,14 +21905,14 @@
       "license": "MIT"
     },
     "node_modules/sass": {
-      "version": "1.80.6",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.80.6.tgz",
-      "integrity": "sha512-ccZgdHNiBF1NHBsWvacvT5rju3y1d/Eu+8Ex6c21nHp2lZGLBEtuwc415QfiI1PJa1TpCo3iXwwSRjRpn2Ckjg==",
+      "version": "1.80.7",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.80.7.tgz",
+      "integrity": "sha512-MVWvN0u5meytrSjsU7AWsbhoXi1sc58zADXFllfZzbsBT1GHjjar6JwBINYPRrkx/zqnQ6uqbQuHgE95O+C+eQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "chokidar": "^4.0.0",
-        "immutable": "^4.0.0",
+        "immutable": "^5.0.2",
         "source-map-js": ">=0.6.2 <2.0.0"
       },
       "bin": {
diff --git a/package.json b/package.json
index 7b34cad67..eb87d42b8 100644
--- a/package.json
+++ b/package.json
@@ -144,7 +144,7 @@
     "redux-mock-store": "1.5.5",
     "redux-thunk": "2.4.2",
     "regenerator-runtime": "0.13.9",
-    "sass": "1.80.6",
+    "sass": "1.80.7",
     "sass-loader": "10.5.2",
     "scratch-gui": "4.1.3",
     "scratch-l10n": "4.0.27",