diff --git a/package-lock.json b/package-lock.json
index ca9f5f09c..961b87356 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20903,9 +20903,9 @@
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     "scratch-blocks": {
-      "version": "0.1.0-prerelease.20210405060703",
-      "resolved": "https://registry.npmjs.org/scratch-blocks/-/scratch-blocks-0.1.0-prerelease.20210405060703.tgz",
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+      "version": "0.1.0-prerelease.20210412035144",
+      "resolved": "https://registry.npmjs.org/scratch-blocks/-/scratch-blocks-0.1.0-prerelease.20210412035144.tgz",
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       "dev": true,
       "requires": {
         "exports-loader": "0.6.3",
@@ -20913,9 +20913,9 @@
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     "scratch-gui": {
-      "version": "0.1.0-prerelease.20210407220130",
-      "resolved": "https://registry.npmjs.org/scratch-gui/-/scratch-gui-0.1.0-prerelease.20210407220130.tgz",
-      "integrity": "sha512-vNOlqsSrJXa32z6yvkDqNAwFKJhGLMVNMYhDQMQ7O8Fadx7iUtD0A5wCz73ga5VKu5hbRWv+rOBZ9Qcq8KcLSw==",
+      "version": "0.1.0-prerelease.20210412041818",
+      "resolved": "https://registry.npmjs.org/scratch-gui/-/scratch-gui-0.1.0-prerelease.20210412041818.tgz",
+      "integrity": "sha512-UqBOyhEehDM6ktftdWWFHAfwu5pNonxwA7wPEktwXaMhEHiY+h0EVbxAy07KaXbBqt42FqdkmS3KJNDKeuKUxw==",
       "dev": true,
       "requires": {
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@@ -20966,13 +20966,13 @@
         "redux": "3.7.2",
         "redux-throttle": "0.1.1",
         "scratch-audio": "0.1.0-prerelease.20200528195344",
-        "scratch-blocks": "0.1.0-prerelease.20210405060703",
-        "scratch-l10n": "3.11.20210405031550",
+        "scratch-blocks": "0.1.0-prerelease.20210412035144",
+        "scratch-l10n": "3.11.20210412031607",
         "scratch-paint": "0.2.0-prerelease.20210407203313",
         "scratch-render": "0.1.0-prerelease.20210325231800",
         "scratch-render-fonts": "1.0.0-prerelease.20210401210003",
         "scratch-storage": "1.3.3",
-        "scratch-svg-renderer": "0.2.0-prerelease.20210325225314",
+        "scratch-svg-renderer": "0.2.0-prerelease.20210408171934",
         "scratch-vm": "0.2.0-prerelease.20210401223708",
         "startaudiocontext": "1.2.1",
         "style-loader": "^0.23.0",
@@ -21013,16 +21013,30 @@
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         },
         "browserslist": {
-          "version": "4.16.3",
-          "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.16.3.tgz",
-          "integrity": "sha512-vIyhWmIkULaq04Gt93txdh+j02yX/JzlyhLYbV3YQCn/zvES3JnY7TifHHvvr1w5hTDluNKMkV05cs4vy8Q7sw==",
+          "version": "4.16.4",
+          "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.16.4.tgz",
+          "integrity": "sha512-d7rCxYV8I9kj41RH8UKYnvDYCRENUlHRgyXy/Rhr/1BaeLGfiCptEdFE8MIrvGfWbBFNjVYx76SQWvNX1j+/cQ==",
           "dev": true,
           "requires": {
-            "caniuse-lite": "^1.0.30001181",
-            "colorette": "^1.2.1",
-            "electron-to-chromium": "^1.3.649",
+            "caniuse-lite": "^1.0.30001208",
+            "colorette": "^1.2.2",
+            "electron-to-chromium": "^1.3.712",
             "escalade": "^3.1.1",
-            "node-releases": "^1.1.70"
+            "node-releases": "^1.1.71"
+          },
+          "dependencies": {
+            "caniuse-lite": {
+              "version": "1.0.30001208",
+              "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001208.tgz",
+              "integrity": "sha512-OE5UE4+nBOro8Dyvv0lfx+SRtfVIOM9uhKqFmJeUbGriqhhStgp1A0OyBpgy3OUF8AhYCT+PVwPC1gMl2ZcQMA==",
+              "dev": true
+            },
+            "colorette": {
+              "version": "1.2.2",
+              "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
+              "integrity": "sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==",
+              "dev": true
+            }
           }
         },
         "chalk": {
@@ -21136,9 +21150,9 @@
           "dev": true
         },
         "electron-to-chromium": {
-          "version": "1.3.710",
-          "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.710.tgz",
-          "integrity": "sha512-b3r0E2o4yc7mNmBeJviejF1rEx49PUBi+2NPa7jHEX3arkAXnVgLhR0YmV8oi6/Qf3HH2a8xzQmCjHNH0IpXWQ==",
+          "version": "1.3.712",
+          "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.712.tgz",
+          "integrity": "sha512-3kRVibBeCM4vsgoHHGKHmPocLqtFAGTrebXxxtgKs87hNUzXrX2NuS3jnBys7IozCnw7viQlozxKkmty2KNfrw==",
           "dev": true
         },
         "has-flag": {
@@ -21218,6 +21232,12 @@
             "microee": "0.0.6"
           }
         },
+        "node-releases": {
+          "version": "1.1.71",
+          "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.71.tgz",
+          "integrity": "sha512-zR6HoT6LrLCRBwukmrVbHv0EpEQjksO6GmFcZQQuCAy139BEsoVKPYnf3jongYW83fAa1torLGYwxxky/p28sg==",
+          "dev": true
+        },
         "parse-json": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
@@ -21358,19 +21378,6 @@
           "integrity": "sha1-six699nWiBvItuZTM17rywoYh0g=",
           "dev": true
         },
-        "scratch-l10n": {
-          "version": "3.11.20210405031550",
-          "resolved": "https://registry.npmjs.org/scratch-l10n/-/scratch-l10n-3.11.20210405031550.tgz",
-          "integrity": "sha512-KWBP2xE9nNrWFziYr0XA2NoJq1/NFweBMWASj5WOQBZSKDAMcegLpaDmlvjdrC/9GNmN8H3KbzQ7clfjJk+QUQ==",
-          "dev": true,
-          "requires": {
-            "@babel/cli": "^7.1.2",
-            "@babel/core": "^7.1.2",
-            "babel-plugin-react-intl": "^3.0.1",
-            "react-intl": "^2.8.0",
-            "transifex": "1.6.6"
-          }
-        },
         "scratch-storage": {
           "version": "1.3.3",
           "resolved": "https://registry.npmjs.org/scratch-storage/-/scratch-storage-1.3.3.tgz",
@@ -21672,18 +21679,24 @@
       }
     },
     "scratch-svg-renderer": {
-      "version": "0.2.0-prerelease.20210325225314",
-      "resolved": "https://registry.npmjs.org/scratch-svg-renderer/-/scratch-svg-renderer-0.2.0-prerelease.20210325225314.tgz",
-      "integrity": "sha512-I8UObiVUlaxXOfmKTjXqvLZRmPwgn34vaerXKSv3h2B+AXT6sbkV8PtVqbYAIES2Oq0LFPJ9Vk+gmBzKq6Te+w==",
+      "version": "0.2.0-prerelease.20210408171934",
+      "resolved": "https://registry.npmjs.org/scratch-svg-renderer/-/scratch-svg-renderer-0.2.0-prerelease.20210408171934.tgz",
+      "integrity": "sha512-kc59fyZlJ58ooW86VQo9oqXNzpR48RH7vObehekVyPq4FMRENwtv9gCZ5XitLPNsLEheFCJdfRVPkVsMAjhPYQ==",
       "dev": true,
       "requires": {
         "base64-js": "1.2.1",
         "base64-loader": "1.0.0",
-        "dompurify": "2.1.1",
+        "dompurify": "2.2.7",
         "minilog": "3.1.0",
         "transformation-matrix": "1.15.0"
       },
       "dependencies": {
+        "dompurify": {
+          "version": "2.2.7",
+          "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-2.2.7.tgz",
+          "integrity": "sha512-jdtDffdGNY+C76jvodNTu9jt5yYj59vuTUyx+wXdzcSwAGTYZDAQkQ7Iwx9zcGrA4ixC1syU4H3RZROqRxokxg==",
+          "dev": true
+        },
         "microee": {
           "version": "0.0.6",
           "resolved": "https://registry.npmjs.org/microee/-/microee-0.0.6.tgz",
diff --git a/package.json b/package.json
index d2c6b2505..fd122b0d8 100644
--- a/package.json
+++ b/package.json
@@ -126,7 +126,7 @@
     "redux-mock-store": "^1.2.3",
     "redux-thunk": "2.0.1",
     "sass-loader": "6.0.6",
-    "scratch-gui": "0.1.0-prerelease.20210407220130",
+    "scratch-gui": "0.1.0-prerelease.20210412041818",
     "scratch-l10n": "latest",
     "selenium-webdriver": "3.6.0",
     "slick-carousel": "1.6.0",