diff --git a/changelog.d/17826.misc b/changelog.d/17826.misc
new file mode 100644
index 0000000000..9148c96a0d
--- /dev/null
+++ b/changelog.d/17826.misc
@@ -0,0 +1 @@
+Enable the `.org.matrix.msc4028.encrypted_event` push rule by default in accordance with [MSC4028](https://github.com/matrix-org/matrix-spec-proposals/pull/4028). Note that the corresponding experimental feature must still be switched on for this push rule to have any effect.
\ No newline at end of file
diff --git a/rust/src/push/base_rules.rs b/rust/src/push/base_rules.rs
index 74f02d6001..e0832ada1c 100644
--- a/rust/src/push/base_rules.rs
+++ b/rust/src/push/base_rules.rs
@@ -81,7 +81,7 @@ pub const BASE_APPEND_OVERRIDE_RULES: &[PushRule] = &[
         ))]),
         actions: Cow::Borrowed(&[Action::Notify]),
         default: true,
-        default_enabled: false,
+        default_enabled: true,
     },
     PushRule {
         rule_id: Cow::Borrowed("global/override/.m.rule.suppress_notices"),