diff --git a/package-lock.json b/package-lock.json
index 0a51f0521e1..2d7aec2ea17 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "blockly",
-  "version": "12.3.0",
+  "version": "12.3.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "blockly",
-      "version": "12.3.0",
+      "version": "12.3.1",
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
diff --git a/package.json b/package.json
index b2892977c91..de5778bdbcd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "blockly",
-  "version": "12.3.0",
+  "version": "12.3.1",
   "description": "Blockly is a library for building visual programming editors.",
   "keywords": [
     "blockly"