diff --git a/docs/toml-schema.md b/docs/toml-schema.md
index b3ef128d8..7f1f8044a 100644
--- a/docs/toml-schema.md
+++ b/docs/toml-schema.md
@@ -437,18 +437,18 @@ merge-queue = {
   # (optional - default `false`)
   enabled = false
 }
-# Whether to prevent branch creation.
+# Whether to prevent branch or tag creation.
 # (optional - default `true`)
 prevent-creation = true
-# Whether to prevent branch deletion.
+# Whether to prevent branch or tag deletion.
 # (optional - default `true`)
 prevent-deletion = true
-# Whether to prevent force pushes to the branch.
+# Whether to prevent force pushes to the branch or tag.
 # (optional - default `true`)
 prevent-force-push = true
-# Whether to prevent updates to the branch.
-# (optional - default `false`)
-prevent-update = false
+# Whether to prevent updates (pushes) to the branch or tag.
+# (optional - default `true`)
+prevent-update = true
 # Whether the protection applies to branches or tags.
 # Options are "branch" or "tag".
 # (optional - default `branch`)
diff --git a/src/schema.rs b/src/schema.rs
index 1161ae9b9..a2f2ef3bf 100644
--- a/src/schema.rs
+++ b/src/schema.rs
@@ -939,7 +939,7 @@ pub const fn branch_protection_default_prevent_creation() -> bool {
 }
 
 pub const fn branch_protection_default_prevent_update() -> bool {
-    false
+    true
 }
 
 pub const fn branch_protection_default_prevent_deletion() -> bool {
diff --git a/tests/static-api/_expected/v1/repos.json b/tests/static-api/_expected/v1/repos.json
index 8dea7a962..acee7d5b6 100644
--- a/tests/static-api/_expected/v1/repos.json
+++ b/tests/static-api/_expected/v1/repos.json
@@ -25,7 +25,7 @@
           "allowed_merge_apps": [],
           "merge_queue": false,
           "prevent_creation": true,
-          "prevent_update": false,
+          "prevent_update": true,
           "prevent_deletion": true,
           "prevent_force_push": true
         }
@@ -72,7 +72,7 @@
           "allowed_merge_apps": [],
           "merge_queue": false,
           "prevent_creation": true,
-          "prevent_update": false,
+          "prevent_update": true,
           "prevent_deletion": true,
           "prevent_force_push": true
         }
diff --git a/tests/static-api/_expected/v1/repos/archived_repo.json b/tests/static-api/_expected/v1/repos/archived_repo.json
index 8d3e1201f..19773778d 100644
--- a/tests/static-api/_expected/v1/repos/archived_repo.json
+++ b/tests/static-api/_expected/v1/repos/archived_repo.json
@@ -23,7 +23,7 @@
       "allowed_merge_apps": [],
       "merge_queue": false,
       "prevent_creation": true,
-      "prevent_update": false,
+      "prevent_update": true,
       "prevent_deletion": true,
       "prevent_force_push": true
     }
diff --git a/tests/static-api/_expected/v1/repos/some_repo.json b/tests/static-api/_expected/v1/repos/some_repo.json
index d5c3baab7..c74319847 100644
--- a/tests/static-api/_expected/v1/repos/some_repo.json
+++ b/tests/static-api/_expected/v1/repos/some_repo.json
@@ -34,7 +34,7 @@
       "allowed_merge_apps": [],
       "merge_queue": false,
       "prevent_creation": true,
-      "prevent_update": false,
+      "prevent_update": true,
       "prevent_deletion": true,
       "prevent_force_push": true
     }