diff --git a/composer.lock b/composer.lock
index b39b79dd0049e1b7d4739db09c2baf9c86b09e5d..471bb866af00b7fa79c07ecacb7c0664a0c209a7 100644
--- a/composer.lock
+++ b/composer.lock
@@ -649,7 +649,7 @@
         },
         {
             "name": "drupal/core",
-            "version": "8.8.x-dev",
+            "version": "8.8.3",
             "dist": {
                 "type": "path",
                 "url": "core",
@@ -879,7 +879,7 @@
         },
         {
             "name": "drupal/core-project-message",
-            "version": "8.8.x-dev",
+            "version": "8.8.3",
             "dist": {
                 "type": "path",
                 "url": "composer/Plugin/ProjectMessage",
@@ -909,7 +909,7 @@
         },
         {
             "name": "drupal/core-vendor-hardening",
-            "version": "8.8.x-dev",
+            "version": "8.8.3",
             "dist": {
                 "type": "path",
                 "url": "composer/Plugin/VendorHardening",
@@ -3372,6 +3372,7 @@
                 "psr",
                 "psr-7"
             ],
+            "abandoned": "laminas/laminas-diactoros",
             "time": "2019-08-06T17:53:53+00:00"
         },
         {
@@ -3417,6 +3418,7 @@
                 "escaper",
                 "zf"
             ],
+            "abandoned": "laminas/laminas-escaper",
             "time": "2019-09-05T20:03:20+00:00"
         },
         {
@@ -3480,6 +3482,7 @@
                 "feed",
                 "zf"
             ],
+            "abandoned": "laminas/laminas-feed",
             "time": "2019-03-05T20:08:49+00:00"
         },
         {
@@ -3526,6 +3529,7 @@
                 "stdlib",
                 "zf"
             ],
+            "abandoned": "laminas/laminas-stdlib",
             "time": "2018-08-28T21:34:05+00:00"
         }
     ],
@@ -6373,9 +6377,6 @@
     "aliases": [],
     "minimum-stability": "dev",
     "stability-flags": {
-        "drupal/core": 20,
-        "drupal/core-project-message": 20,
-        "drupal/core-vendor-hardening": 20,
         "behat/mink": 20,
         "behat/mink-selenium2-driver": 20
     },
diff --git a/composer/Metapackage/CoreRecommended/composer.json b/composer/Metapackage/CoreRecommended/composer.json
index fe3c45d9de9f04bf9d11b9d9d896c80fce6e0228..456504720632f8ca712837fcfb083778a3a9aa29 100644
--- a/composer/Metapackage/CoreRecommended/composer.json
+++ b/composer/Metapackage/CoreRecommended/composer.json
@@ -7,7 +7,7 @@
         "webflo/drupal-core-strict": "*"
     },
     "require": {
-        "drupal/core": "8.8.x-dev",
+        "drupal/core": "8.8.3",
         "asm89/stack-cors": "1.2.0",
         "composer/installers": "v1.7.0",
         "composer/semver": "1.5.0",
diff --git a/composer/Metapackage/PinnedDevDependencies/composer.json b/composer/Metapackage/PinnedDevDependencies/composer.json
index 959b64d6db6885cde2c19b877aa65241e72cfc82..96e0114c22100834d31a147be11f0d38b4e0d8f1 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": "8.8.x-dev",
+        "drupal/core": "8.8.3",
         "behat/mink": "1.8.0 | 1.7.1.1 | 1.7.x-dev",
         "behat/mink-browserkit-driver": "1.3.3",
         "behat/mink-goutte-driver": "v1.2.1",
diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index f6ab437d6dbc1eaaa038d0d43ef95c2a899c9148..21b955b75a3523c1386f50b0c773804b6bf1d3a7 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -82,7 +82,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '8.8.3-dev';
+  const VERSION = '8.8.3';
 
   /**
    * Core API compatibility.