diff --git a/composer.lock b/composer.lock
index 99d09045963..0a8b5ac24bd 100644
--- a/composer.lock
+++ b/composer.lock
@@ -492,7 +492,7 @@
         },
         {
             "name": "drupal/core",
-            "version": "11.1.4",
+            "version": "11.1.x-dev",
             "dist": {
                 "type": "path",
                 "url": "core",
@@ -657,7 +657,7 @@
         },
         {
             "name": "drupal/core-project-message",
-            "version": "11.1.4",
+            "version": "11.1.x-dev",
             "dist": {
                 "type": "path",
                 "url": "composer/Plugin/ProjectMessage",
@@ -690,7 +690,7 @@
         },
         {
             "name": "drupal/core-vendor-hardening",
-            "version": "11.1.4",
+            "version": "11.1.x-dev",
             "dist": {
                 "type": "path",
                 "url": "composer/Plugin/VendorHardening",
@@ -9853,7 +9853,11 @@
     ],
     "aliases": [],
     "minimum-stability": "dev",
-    "stability-flags": {},
+    "stability-flags": {
+        "drupal/core": 20,
+        "drupal/core-project-message": 20,
+        "drupal/core-vendor-hardening": 20
+    },
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {},
diff --git a/composer/Metapackage/CoreRecommended/composer.json b/composer/Metapackage/CoreRecommended/composer.json
index f8d3a3d70f6..29788a3bcd6 100644
--- a/composer/Metapackage/CoreRecommended/composer.json
+++ b/composer/Metapackage/CoreRecommended/composer.json
@@ -7,7 +7,7 @@
         "webflo/drupal-core-strict": "*"
     },
     "require": {
-        "drupal/core": "11.1.4",
+        "drupal/core": "11.1.x-dev",
         "asm89/stack-cors": "~v2.2.0",
         "composer/semver": "~3.4.3",
         "doctrine/annotations": "~2.0.2",
diff --git a/composer/Metapackage/PinnedDevDependencies/composer.json b/composer/Metapackage/PinnedDevDependencies/composer.json
index 804d282f588..c72a11398d9 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": "11.1.4",
+        "drupal/core": "11.1.x-dev",
         "behat/mink": "v1.12.0",
         "behat/mink-browserkit-driver": "v2.2.0",
         "brick/math": "0.12.1",
diff --git a/composer/Template/LegacyProject/composer.json b/composer/Template/LegacyProject/composer.json
index 0b0d04211ca..85fd97faff9 100644
--- a/composer/Template/LegacyProject/composer.json
+++ b/composer/Template/LegacyProject/composer.json
@@ -27,7 +27,7 @@
     "conflict": {
         "drupal/drupal": "*"
     },
-    "minimum-stability": "stable",
+    "minimum-stability": "dev",
     "prefer-stable": true,
     "config": {
         "allow-plugins": {
diff --git a/composer/Template/RecommendedProject/composer.json b/composer/Template/RecommendedProject/composer.json
index 223b6ee6dda..fea4ea9b574 100644
--- a/composer/Template/RecommendedProject/composer.json
+++ b/composer/Template/RecommendedProject/composer.json
@@ -26,7 +26,7 @@
     "conflict": {
         "drupal/drupal": "*"
     },
-    "minimum-stability": "stable",
+    "minimum-stability": "dev",
     "prefer-stable": true,
     "config": {
         "allow-plugins": {
diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index 5c3cd7da754..f0ba240771b 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -75,7 +75,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '11.1.4';
+  const VERSION = '11.1.5-dev';
 
   /**
    * Core API compatibility.
diff --git a/core/lib/Drupal/Component/Annotation/composer.json b/core/lib/Drupal/Component/Annotation/composer.json
index 21c0b50e4b9..2426fffab78 100644
--- a/core/lib/Drupal/Component/Annotation/composer.json
+++ b/core/lib/Drupal/Component/Annotation/composer.json
@@ -10,10 +10,10 @@
         "php": ">=8.3.0",
         "doctrine/annotations": "^2.0",
         "doctrine/lexer": "^2.0",
-        "drupal/core-class-finder": "^11.1",
-        "drupal/core-file-cache": "^11.1",
-        "drupal/core-plugin": "^11.1",
-        "drupal/core-utility": "^11.1"
+        "drupal/core-class-finder": "11.1.x-dev",
+        "drupal/core-file-cache": "11.1.x-dev",
+        "drupal/core-plugin": "11.1.x-dev",
+        "drupal/core-utility": "11.1.x-dev"
     },
     "autoload": {
         "psr-4": {
diff --git a/core/lib/Drupal/Component/Datetime/composer.json b/core/lib/Drupal/Component/Datetime/composer.json
index 135494a7b3c..c36f4b79ba6 100644
--- a/core/lib/Drupal/Component/Datetime/composer.json
+++ b/core/lib/Drupal/Component/Datetime/composer.json
@@ -8,7 +8,7 @@
     "license": "GPL-2.0-or-later",
     "require": {
         "php": ">=8.3.0",
-        "drupal/core-utility": "^11.1"
+        "drupal/core-utility": "11.1.x-dev"
     },
     "autoload": {
         "psr-4": {
diff --git a/core/lib/Drupal/Component/Discovery/composer.json b/core/lib/Drupal/Component/Discovery/composer.json
index 8a7efec0f54..4eb0ebcc910 100644
--- a/core/lib/Drupal/Component/Discovery/composer.json
+++ b/core/lib/Drupal/Component/Discovery/composer.json
@@ -8,8 +8,8 @@
     "license": "GPL-2.0-or-later",
     "require": {
         "php": ">=8.3.0",
-        "drupal/core-file-cache": "^11.1",
-        "drupal/core-serialization": "^11.1"
+        "drupal/core-file-cache": "11.1.x-dev",
+        "drupal/core-serialization": "11.1.x-dev"
     },
     "autoload": {
         "psr-4": {
diff --git a/core/lib/Drupal/Component/FrontMatter/composer.json b/core/lib/Drupal/Component/FrontMatter/composer.json
index 23c3cfd3533..c438abbce87 100644
--- a/core/lib/Drupal/Component/FrontMatter/composer.json
+++ b/core/lib/Drupal/Component/FrontMatter/composer.json
@@ -8,7 +8,7 @@
     "license": "GPL-2.0-or-later",
     "require": {
         "php": ">=8.3.0",
-        "drupal/core-serialization": "^11.1"
+        "drupal/core-serialization": "11.1.x-dev"
     },
     "autoload": {
         "psr-4": {
diff --git a/core/lib/Drupal/Component/Gettext/composer.json b/core/lib/Drupal/Component/Gettext/composer.json
index 4fa1bf08d9c..4f0fd921ced 100644
--- a/core/lib/Drupal/Component/Gettext/composer.json
+++ b/core/lib/Drupal/Component/Gettext/composer.json
@@ -9,7 +9,7 @@
     },
     "require": {
         "php": ">=8.3.0",
-        "drupal/core-render": "^11.1"
+        "drupal/core-render": "11.1.x-dev"
     },
     "autoload": {
         "psr-4": {
diff --git a/core/lib/Drupal/Component/PhpStorage/composer.json b/core/lib/Drupal/Component/PhpStorage/composer.json
index 2fba6a268e7..12e76f45fe2 100644
--- a/core/lib/Drupal/Component/PhpStorage/composer.json
+++ b/core/lib/Drupal/Component/PhpStorage/composer.json
@@ -8,7 +8,7 @@
     "license": "GPL-2.0-or-later",
     "require": {
         "php": ">=8.3.0",
-        "drupal/core-file-security": "^11.1"
+        "drupal/core-file-security": "11.1.x-dev"
     },
     "autoload": {
         "psr-4": {
diff --git a/core/lib/Drupal/Component/Render/composer.json b/core/lib/Drupal/Component/Render/composer.json
index 5816c15531e..974daf05607 100644
--- a/core/lib/Drupal/Component/Render/composer.json
+++ b/core/lib/Drupal/Component/Render/composer.json
@@ -8,7 +8,7 @@
     "license": "GPL-2.0-or-later",
     "require": {
         "php": ">=8.3.0",
-        "drupal/core-utility": "^11.1"
+        "drupal/core-utility": "11.1.x-dev"
     },
     "autoload": {
         "psr-4": {