diff --git a/composer.lock b/composer.lock
index bd17fb09ea12f64a473beb5597b0d409e610a8c2..8b3b26d92df6f7ce5050b40fb991079eb5b91769 100644
--- a/composer.lock
+++ b/composer.lock
@@ -531,7 +531,7 @@
         },
         {
             "name": "drupal/core",
-            "version": "9.3.x-dev",
+            "version": "9.4.x-dev",
             "dist": {
                 "type": "path",
                 "url": "core",
@@ -787,7 +787,7 @@
         },
         {
             "name": "drupal/core-project-message",
-            "version": "9.3.x-dev",
+            "version": "9.4.x-dev",
             "dist": {
                 "type": "path",
                 "url": "composer/Plugin/ProjectMessage",
@@ -820,7 +820,7 @@
         },
         {
             "name": "drupal/core-vendor-hardening",
-            "version": "9.3.x-dev",
+            "version": "9.4.x-dev",
             "dist": {
                 "type": "path",
                 "url": "composer/Plugin/VendorHardening",
diff --git a/composer/Metapackage/CoreRecommended/composer.json b/composer/Metapackage/CoreRecommended/composer.json
index 4c7f7ce41063be4bfdde6e87e01d599fa6c950ce..6866105890eda28ff281d4fb8ce0654333ab5ffc 100644
--- a/composer/Metapackage/CoreRecommended/composer.json
+++ b/composer/Metapackage/CoreRecommended/composer.json
@@ -7,7 +7,7 @@
         "webflo/drupal-core-strict": "*"
     },
     "require": {
-        "drupal/core": "9.3.x-dev",
+        "drupal/core": "9.4.x-dev",
         "asm89/stack-cors": "1.3.0",
         "composer/semver": "3.2.5",
         "doctrine/annotations": "1.13.2",
diff --git a/composer/Metapackage/PinnedDevDependencies/composer.json b/composer/Metapackage/PinnedDevDependencies/composer.json
index 1f0d0884e60b039213f81b7fb36e8428b279528c..fedd1a6df2fa6152f72e45f00b7095991166e269 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": "9.3.x-dev",
+        "drupal/core": "9.4.x-dev",
         "behat/mink": "v1.9.0",
         "behat/mink-selenium2-driver": "v1.5.0",
         "composer/ca-bundle": "1.2.11",
diff --git a/composer/Template/LegacyProject/composer.json b/composer/Template/LegacyProject/composer.json
index 1b1a2af337ab82947aadd8c0bd4a60fa65447a2c..95e31ea7318a17be9888971f8e859b84bbef3f12 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": "^9.3",
-        "drupal/core-project-message": "^9.3",
-        "drupal/core-recommended": "^9.3",
-        "drupal/core-vendor-hardening": "^9.3"
+        "drupal/core-composer-scaffold": "^9.4",
+        "drupal/core-project-message": "^9.4",
+        "drupal/core-recommended": "^9.4",
+        "drupal/core-vendor-hardening": "^9.4"
     },
     "require-dev": {
-        "drupal/core-dev": "^9.3"
+        "drupal/core-dev": "^9.4"
     },
     "conflict": {
         "drupal/drupal": "*"
diff --git a/composer/Template/RecommendedProject/composer.json b/composer/Template/RecommendedProject/composer.json
index 99e9f55f239450f5b34d4e885c73f9d6c3b4fc2d..789e1f5275605a31f75f50d57b881c6db9ab595d 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": "^9.3",
-        "drupal/core-project-message": "^9.3",
-        "drupal/core-recommended": "^9.3"
+        "drupal/core-composer-scaffold": "^9.4",
+        "drupal/core-project-message": "^9.4",
+        "drupal/core-recommended": "^9.4"
     },
     "require-dev": {
-        "drupal/core-dev": "^9.3"
+        "drupal/core-dev": "^9.4"
     },
     "conflict": {
         "drupal/drupal": "*"
diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index 4ffa6c6f0b0b0da38c82cf9aa3f3b90d6d213a83..5c75fdb7f718d3b0b4bb9d6e025387d3b7ff99f4 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -75,7 +75,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '9.3.0-dev';
+  const VERSION = '9.4.0-dev';
 
   /**
    * Core API compatibility.