diff --git a/composer.json b/composer.json
index 38bf3d956..d3a3d39b9 100644
--- a/composer.json
+++ b/composer.json
@@ -79,9 +79,9 @@
         "drupal/config_split": "^2.0",
         "drupal/confirm_leave": "^1.0@beta",
         "drupal/content_lock": "^2.2",
-        "drupal/core": "^10",
-        "drupal/core-composer-scaffold": "^10",
-        "drupal/core-recommended": "^10",
+        "drupal/core": "~10.2.0",
+        "drupal/core-composer-scaffold": "~10.2.0",
+        "drupal/core-recommended": "~10.2.0",
         "drupal/cshs": "^4.0",
         "drupal/default_content": "^2.0@alpha",
         "drupal/diff": "^1.3",
diff --git a/composer.lock b/composer.lock
index 2a046255e..8b0e0158b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "88c2c435af728bac4d9fe3fbc8de7811",
+    "content-hash": "18d62cbce60cace3196206f6a35914aa",
     "packages": [
         {
             "name": "acquia/blt",
@@ -3716,16 +3716,16 @@
         },
         {
             "name": "drupal/core-composer-scaffold",
-            "version": "10.3.5",
+            "version": "10.2.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/drupal/core-composer-scaffold.git",
-                "reference": "f58ab5c0d02d275c5aa226c4505b457e41b161cc"
+                "reference": "adc702b6ef38a0446abe90267acb96aa806995cf"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/drupal/core-composer-scaffold/zipball/f58ab5c0d02d275c5aa226c4505b457e41b161cc",
-                "reference": "f58ab5c0d02d275c5aa226c4505b457e41b161cc",
+                "url": "https://api.github.com/repos/drupal/core-composer-scaffold/zipball/adc702b6ef38a0446abe90267acb96aa806995cf",
+                "reference": "adc702b6ef38a0446abe90267acb96aa806995cf",
                 "shasum": ""
             },
             "require": {
@@ -3760,9 +3760,9 @@
                 "drupal"
             ],
             "support": {
-                "source": "https://github.com/drupal/core-composer-scaffold/tree/10.3.5"
+                "source": "https://github.com/drupal/core-composer-scaffold/tree/10.2.8"
             },
-            "time": "2024-08-22T14:31:34+00:00"
+            "time": "2024-04-09T07:27:23+00:00"
         },
         {
             "name": "drupal/core-recommended",
@@ -26663,6 +26663,6 @@
         "php": ">=8.0",
         "ext-imagick": "*"
     },
-    "platform-dev": [],
+    "platform-dev": {},
     "plugin-api-version": "2.6.0"
 }