diff --git a/src/graphql/data/fpt/changelog.json b/src/graphql/data/fpt/changelog.json
index f3084d580318..1ad0afa243f3 100644
--- a/src/graphql/data/fpt/changelog.json
+++ b/src/graphql/data/fpt/changelog.json
@@ -1,4 +1,17 @@
 [
+  {
+    "schemaChanges": [
+      {
+        "title": "The GraphQL schema includes these changes:",
+        "changes": [
+          "<p>Field <code>immutable</code> was added to object type <code>Release</code></p>"
+        ]
+      }
+    ],
+    "previewChanges": [],
+    "upcomingChanges": [],
+    "date": "2025-07-04"
+  },
   {
     "schemaChanges": [
       {
diff --git a/src/graphql/data/fpt/schema.docs.graphql b/src/graphql/data/fpt/schema.docs.graphql
index 2df1fabe9e6b..2626b06a9ce3 100644
--- a/src/graphql/data/fpt/schema.docs.graphql
+++ b/src/graphql/data/fpt/schema.docs.graphql
@@ -44682,6 +44682,11 @@ type Release implements Node & Reactable & UniformResourceLocatable {
   """
   id: ID!
 
+  """
+  Whether or not the release is immutable
+  """
+  immutable: Boolean!
+
   """
   Whether or not the release is a draft
   """
diff --git a/src/graphql/data/fpt/schema.json b/src/graphql/data/fpt/schema.json
index 700fc07d11fd..d8b434c14ccf 100644
--- a/src/graphql/data/fpt/schema.json
+++ b/src/graphql/data/fpt/schema.json
@@ -58712,6 +58712,14 @@
           "kind": "scalars",
           "href": "/graphql/reference/scalars#id"
         },
+        {
+          "name": "immutable",
+          "description": "<p>Whether or not the release is immutable.</p>",
+          "type": "Boolean!",
+          "id": "boolean",
+          "kind": "scalars",
+          "href": "/graphql/reference/scalars#boolean"
+        },
         {
           "name": "isDraft",
           "description": "<p>Whether or not the release is a draft.</p>",
diff --git a/src/graphql/data/ghec/schema.docs.graphql b/src/graphql/data/ghec/schema.docs.graphql
index 2df1fabe9e6b..2626b06a9ce3 100644
--- a/src/graphql/data/ghec/schema.docs.graphql
+++ b/src/graphql/data/ghec/schema.docs.graphql
@@ -44682,6 +44682,11 @@ type Release implements Node & Reactable & UniformResourceLocatable {
   """
   id: ID!
 
+  """
+  Whether or not the release is immutable
+  """
+  immutable: Boolean!
+
   """
   Whether or not the release is a draft
   """
diff --git a/src/graphql/data/ghec/schema.json b/src/graphql/data/ghec/schema.json
index 700fc07d11fd..d8b434c14ccf 100644
--- a/src/graphql/data/ghec/schema.json
+++ b/src/graphql/data/ghec/schema.json
@@ -58712,6 +58712,14 @@
           "kind": "scalars",
           "href": "/graphql/reference/scalars#id"
         },
+        {
+          "name": "immutable",
+          "description": "<p>Whether or not the release is immutable.</p>",
+          "type": "Boolean!",
+          "id": "boolean",
+          "kind": "scalars",
+          "href": "/graphql/reference/scalars#boolean"
+        },
         {
           "name": "isDraft",
           "description": "<p>Whether or not the release is a draft.</p>",