diff --git a/package-lock.json b/package-lock.json
index ae612d8597c3b80c7c068ed25e87a36f64a201f3..af353ec002a0b6a9000183d35df14679d46d6389 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3774,11 +3774,6 @@
       "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.4.1.tgz",
       "integrity": "sha512-RO1ibKvd27e6FEShVFfPALuHI3WjSVNeK5FIsmme/LYRNxjKuNj+Dt7bucLa6NdSv3JcVTyMlm9kGR84z1XpaQ=="
     },
-    "amdefine": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
-      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU="
-    },
     "ansi-colors": {
       "version": "3.2.4",
       "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.4.tgz",
@@ -7927,46 +7922,6 @@
         "jest-regex-util": "^21.2.0"
       }
     },
-    "exports-loader": {
-      "version": "0.6.3",
-      "resolved": "https://registry.npmjs.org/exports-loader/-/exports-loader-0.6.3.tgz",
-      "integrity": "sha1-V9x4kX9wm5byR/qR5ptVTIVQE8g=",
-      "requires": {
-        "loader-utils": "0.2.x",
-        "source-map": "0.1.x"
-      },
-      "dependencies": {
-        "big.js": {
-          "version": "3.2.0",
-          "resolved": "https://registry.npmjs.org/big.js/-/big.js-3.2.0.tgz",
-          "integrity": "sha512-+hN/Zh2D08Mx65pZ/4g5bsmNiZUuChDiQfTUQ7qJr4/kuopCr88xZsAXv6mBoZEsUI4OuGHlX59qE94K2mMW8Q=="
-        },
-        "json5": {
-          "version": "0.5.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
-          "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE="
-        },
-        "loader-utils": {
-          "version": "0.2.17",
-          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-0.2.17.tgz",
-          "integrity": "sha1-+G5jdNQyBabmxg6RlvF8Apm/s0g=",
-          "requires": {
-            "big.js": "^3.1.3",
-            "emojis-list": "^2.0.0",
-            "json5": "^0.5.0",
-            "object-assign": "^4.0.1"
-          }
-        },
-        "source-map": {
-          "version": "0.1.43",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
-          "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
-          "requires": {
-            "amdefine": ">=0.0.4"
-          }
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-      }
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     "express": {
       "version": "4.17.1",
       "resolved": "https://registry.npmjs.org/express/-/express-4.17.1.tgz",
@@ -9532,6 +9487,11 @@
         }
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+    "google-closure-library": {
+      "version": "20190301.0.0",
+      "resolved": "https://registry.npmjs.org/google-closure-library/-/google-closure-library-20190301.0.0.tgz",
+      "integrity": "sha512-mpeszbnXpRhXZ0sPqUxBgUmk0RtmzrJRy3KFygp0Ih9JuRUjQTCLhwYQeIlK2vB2lShhY/KUo9E1Z1gvxDFxOQ=="
+    },
     "graceful-fs": {
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.2.tgz",
@@ -10103,46 +10063,6 @@
         "resolve-cwd": "^2.0.0"
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     },
-    "imports-loader": {
-      "version": "0.6.5",
-      "resolved": "https://registry.npmjs.org/imports-loader/-/imports-loader-0.6.5.tgz",
-      "integrity": "sha1-rnRlMDHVnjezwvslRKxhrq41MKY=",
-      "requires": {
-        "loader-utils": "0.2.x",
-        "source-map": "0.1.x"
-      },
-      "dependencies": {
-        "big.js": {
-          "version": "3.2.0",
-          "resolved": "https://registry.npmjs.org/big.js/-/big.js-3.2.0.tgz",
-          "integrity": "sha512-+hN/Zh2D08Mx65pZ/4g5bsmNiZUuChDiQfTUQ7qJr4/kuopCr88xZsAXv6mBoZEsUI4OuGHlX59qE94K2mMW8Q=="
-        },
-        "json5": {
-          "version": "0.5.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
-          "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE="
-        },
-        "loader-utils": {
-          "version": "0.2.17",
-          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-0.2.17.tgz",
-          "integrity": "sha1-+G5jdNQyBabmxg6RlvF8Apm/s0g=",
-          "requires": {
-            "big.js": "^3.1.3",
-            "emojis-list": "^2.0.0",
-            "json5": "^0.5.0",
-            "object-assign": "^4.0.1"
-          }
-        },
-        "source-map": {
-          "version": "0.1.43",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
-          "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
-          "requires": {
-            "amdefine": ">=0.0.4"
-          }
-        }
-      }
-    },
     "imurmurhash": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/imurmurhash/-/imurmurhash-0.1.4.tgz",
@@ -14875,12 +14795,25 @@
       }
     },
     "scratch-blocks": {
-      "version": "0.1.0-prerelease.20210709231059",
-      "resolved": "https://registry.npmjs.org/scratch-blocks/-/scratch-blocks-0.1.0-prerelease.20210709231059.tgz",
-      "integrity": "sha512-vNQu6wLt17UXsy16tyABLCJslkEPdfywXZabqK3ICYj2FmmvBVCzR1kWBQPlaHevzd4okcaLvb483TZbbks4+Q==",
+      "version": "0.1.0-prerelease.20210710071136",
+      "resolved": "https://registry.npmjs.org/scratch-blocks/-/scratch-blocks-0.1.0-prerelease.20210710071136.tgz",
+      "integrity": "sha512-0zNpg9xfE0vCq9Lizs0cdJE9scaq8N1TVdhmc1sNAO8XFhT2cU6Pfs9VFA2Dtizwup4GEDjEsuNpPmdvFay/lQ==",
       "requires": {
-        "exports-loader": "0.6.3",
-        "imports-loader": "0.6.5"
+        "google-closure-library": "20190301.0.0",
+        "scratch-l10n": "3.13.20210710031548"
+      },
+      "dependencies": {
+        "scratch-l10n": {
+          "version": "3.13.20210710031548",
+          "resolved": "https://registry.npmjs.org/scratch-l10n/-/scratch-l10n-3.13.20210710031548.tgz",
+          "integrity": "sha512-NBTG9YlktKB9CvMWbIXNMnmVtSUUXII1JyyK7BNgVCdRw9JXPD3VLWTuKkAZne2p9lsBaqXydz0QVkYGP2e1Lg==",
+          "requires": {
+            "@babel/cli": "^7.1.2",
+            "@babel/core": "^7.1.2",
+            "babel-plugin-react-intl": "^3.0.1",
+            "transifex": "1.6.6"
+          }
+        }
       }
     },
     "scratch-l10n": {
diff --git a/package.json b/package.json
index 926d92f42bf18610407e58a6f8aa12f0ee9df50d..1be5a21fec4002277a5e1c0dec2c6a6e66cd1486 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "redux": "3.7.2",
     "redux-throttle": "0.1.1",
     "scratch-audio": "0.1.0-prerelease.20200528195344",
-    "scratch-blocks": "0.1.0-prerelease.20210709231059",
+    "scratch-blocks": "0.1.0-prerelease.20210710071136",
     "scratch-l10n": "3.13.20210711031507",
     "scratch-paint": "0.2.0-prerelease.20210615011117",
     "scratch-render": "0.1.0-prerelease.20210325231800",