diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0587a04b..12118439 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,16 +20,11 @@ and this project adheres to
 - Weaker cipher suites that use the CBC (cipher block chaining) mode of
   operation have been disabled ([#2993]).
 
-### Added
-
-- Bilibili service blocking ([#4795]).
-
 ### Deprecated
 
 - Go 1.18 support.  v0.109.0 will require at least Go 1.19 to build.
 
 [#2993]: https://github.com/AdguardTeam/AdGuardHome/issues/2993
-[#4795]: https://github.com/AdguardTeam/AdGuardHome/issues/4795
 
 
 
diff --git a/internal/home/upgrade.go b/internal/home/upgrade.go
index 15970e7b..4426149c 100644
--- a/internal/home/upgrade.go
+++ b/internal/home/upgrade.go
@@ -27,7 +27,7 @@ const currentSchemaVersion = 14
 // These aliases are provided for convenience.
 type (
 	yarr = []any
-	yobj = map[any]any
+	yobj = map[string]any
 )
 
 // Performs necessary upgrade operations if needed
@@ -182,12 +182,12 @@ func upgradeSchema2to3(diskConf yobj) error {
 	newDNSConfig := make(yobj)
 
 	switch v := dnsConfig.(type) {
-	case map[any]any:
+	case yobj:
 		for k, v := range v {
 			newDNSConfig[fmt.Sprint(k)] = v
 		}
 	default:
-		return fmt.Errorf("dns configuration is not a map")
+		return fmt.Errorf("unexpected type of dns: %T", dnsConfig)
 	}
 
 	// Replace bootstrap_dns value filed with new array contains old bootstrap_dns inside