diff --git a/package-lock.json b/package-lock.json
index 65314a6ec7b..d69a37edb0e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -62,7 +62,7 @@
         "redux-throttle": "0.1.1",
         "scratch-audio": "1.0.0",
         "scratch-blocks": "1.1.1",
-        "scratch-l10n": "3.18.1",
+        "scratch-l10n": "3.18.3",
         "scratch-paint": "2.2.1",
         "scratch-render": "1.0.0",
         "scratch-render-fonts": "1.0.0-prerelease.20231017225105",
@@ -22345,6 +22345,23 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/scratch-blocks/node_modules/scratch-l10n": {
+      "version": "3.18.1",
+      "resolved": "https://registry.npmjs.org/scratch-l10n/-/scratch-l10n-3.18.1.tgz",
+      "integrity": "sha512-DWyY69PQ731zeLYLpr/0+KzSQWSmdmIzdXHjvfP/JG7yUBcZRBc19CZWHlP2Z1lm7g59SEgZeCOa0i5vCIgARA==",
+      "dependencies": {
+        "@babel/cli": "^7.1.2",
+        "@babel/core": "^7.1.2",
+        "@transifex/api": "4.3.0",
+        "babel-plugin-react-intl": "^3.0.1",
+        "download": "^8.0.0",
+        "transifex": "1.6.6"
+      },
+      "bin": {
+        "build-i18n-src": "scripts/build-i18n-src.js",
+        "tx-push-src": "scripts/tx-push-src.js"
+      }
+    },
     "node_modules/scratch-blocks/node_modules/source-map": {
       "version": "0.5.0",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.0.tgz",
@@ -22354,9 +22371,9 @@
       }
     },
     "node_modules/scratch-l10n": {
-      "version": "3.18.1",
-      "resolved": "https://registry.npmjs.org/scratch-l10n/-/scratch-l10n-3.18.1.tgz",
-      "integrity": "sha512-DWyY69PQ731zeLYLpr/0+KzSQWSmdmIzdXHjvfP/JG7yUBcZRBc19CZWHlP2Z1lm7g59SEgZeCOa0i5vCIgARA==",
+      "version": "3.18.3",
+      "resolved": "https://registry.npmjs.org/scratch-l10n/-/scratch-l10n-3.18.3.tgz",
+      "integrity": "sha512-WpBExUSiyWrxFgE5weZ9/lXIst77sJMwCQis+IddnJ6qbGti/GQNWM75k5OeXI9l4h7BCz3pNL24SQBopqG3TA==",
       "dependencies": {
         "@babel/cli": "^7.1.2",
         "@babel/core": "^7.1.2",
diff --git a/package.json b/package.json
index 647f2381b4d..621f471f111 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "redux-throttle": "0.1.1",
     "scratch-audio": "1.0.0",
     "scratch-blocks": "1.1.1",
-    "scratch-l10n": "3.18.1",
+    "scratch-l10n": "3.18.3",
     "scratch-paint": "2.2.1",
     "scratch-render": "1.0.0",
     "scratch-render-fonts": "1.0.0-prerelease.20231017225105",