diff --git a/composer.lock b/composer.lock
index 6fb81f0d7405fe6ee5ae88c62de53e4a02084813..2a70ae44c90e214bedb5dedf965d2fb466181065 100644
--- a/composer.lock
+++ b/composer.lock
@@ -526,7 +526,7 @@
         },
         {
             "name": "drupal/core",
-            "version": "9.2.x-dev",
+            "version": "9.3.x-dev",
             "dist": {
                 "type": "path",
                 "url": "core",
@@ -779,7 +779,7 @@
         },
         {
             "name": "drupal/core-project-message",
-            "version": "9.2.x-dev",
+            "version": "9.3.x-dev",
             "dist": {
                 "type": "path",
                 "url": "composer/Plugin/ProjectMessage",
@@ -812,7 +812,7 @@
         },
         {
             "name": "drupal/core-vendor-hardening",
-            "version": "9.2.x-dev",
+            "version": "9.3.x-dev",
             "dist": {
                 "type": "path",
                 "url": "composer/Plugin/VendorHardening",
diff --git a/composer/Metapackage/CoreRecommended/composer.json b/composer/Metapackage/CoreRecommended/composer.json
index 95fc8a6b511e133b46d2493b0af3d3a2ce7543e3..2b2bc0d6e043c19cbad6cee682d221d68a9b895f 100644
--- a/composer/Metapackage/CoreRecommended/composer.json
+++ b/composer/Metapackage/CoreRecommended/composer.json
@@ -7,7 +7,7 @@
         "webflo/drupal-core-strict": "*"
     },
     "require": {
-        "drupal/core": "9.2.x-dev",
+        "drupal/core": "9.3.x-dev",
         "asm89/stack-cors": "1.3.0",
         "composer/semver": "3.2.4",
         "doctrine/annotations": "1.12.1",
diff --git a/composer/Metapackage/PinnedDevDependencies/composer.json b/composer/Metapackage/PinnedDevDependencies/composer.json
index 35726dbc90033b5518575212f7d7761351b33718..89f91928182632e3aa64f182a0b0cf2f4f76afd8 100644
--- a/composer/Metapackage/PinnedDevDependencies/composer.json
+++ b/composer/Metapackage/PinnedDevDependencies/composer.json
@@ -7,7 +7,7 @@
         "webflo/drupal-core-require-dev": "*"
     },
     "require": {
-        "drupal/core": "9.2.x-dev",
+        "drupal/core": "9.3.x-dev",
         "behat/mink": "v1.8.1",
         "behat/mink-goutte-driver": "v1.2.1",
         "behat/mink-selenium2-driver": "v1.4.0",
diff --git a/composer/Template/LegacyProject/composer.json b/composer/Template/LegacyProject/composer.json
index 8beacf5997d3ac55d8ce7ea74ecb55dc1a66f589..1b1a2af337ab82947aadd8c0bd4a60fa65447a2c 100644
--- a/composer/Template/LegacyProject/composer.json
+++ b/composer/Template/LegacyProject/composer.json
@@ -16,13 +16,13 @@
     ],
     "require": {
         "composer/installers": "^1.9",
-        "drupal/core-composer-scaffold": "^9.2",
-        "drupal/core-project-message": "^9.2",
-        "drupal/core-recommended": "^9.2",
-        "drupal/core-vendor-hardening": "^9.2"
+        "drupal/core-composer-scaffold": "^9.3",
+        "drupal/core-project-message": "^9.3",
+        "drupal/core-recommended": "^9.3",
+        "drupal/core-vendor-hardening": "^9.3"
     },
     "require-dev": {
-        "drupal/core-dev": "^9.2"
+        "drupal/core-dev": "^9.3"
     },
     "conflict": {
         "drupal/drupal": "*"
diff --git a/composer/Template/RecommendedProject/composer.json b/composer/Template/RecommendedProject/composer.json
index 120bec43ebc69efa4b0c8a0aac9122631270c14e..99e9f55f239450f5b34d4e885c73f9d6c3b4fc2d 100644
--- a/composer/Template/RecommendedProject/composer.json
+++ b/composer/Template/RecommendedProject/composer.json
@@ -16,12 +16,12 @@
     ],
     "require": {
         "composer/installers": "^1.9",
-        "drupal/core-composer-scaffold": "^9.2",
-        "drupal/core-project-message": "^9.2",
-        "drupal/core-recommended": "^9.2"
+        "drupal/core-composer-scaffold": "^9.3",
+        "drupal/core-project-message": "^9.3",
+        "drupal/core-recommended": "^9.3"
     },
     "require-dev": {
-        "drupal/core-dev": "^9.2"
+        "drupal/core-dev": "^9.3"
     },
     "conflict": {
         "drupal/drupal": "*"
diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index 1e327d2d7f0e7de5c0c76209bd79bae76a29919d..88c3ae6f68278fa13faf61336da349fbc96529d2 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -75,7 +75,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '9.2.0-dev';
+  const VERSION = '9.3.0-dev';
 
   /**
    * Core API compatibility.