diff --git a/CHANGELOG.md b/CHANGELOG.md
index 64b3cff..9f4252f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 0.4.2 - Unreleased
+## 0.4.2 - 2025-12-31
 
 - Gmail: `thread modify` subcommand + `thread get` split (#21) — thanks @alexknowshtml.
 - Auth: refreshed account manager + success UI (#20) — thanks @salmonumbrella.
diff --git a/internal/config/credentials_test.go b/internal/config/credentials_test.go
index 56f11f9..378ccce 100644
--- a/internal/config/credentials_test.go
+++ b/internal/config/credentials_test.go
@@ -47,6 +47,7 @@ func TestParseGoogleOAuthClientJSON(t *testing.T) {
 func TestClientCredentials_Roundtrip(t *testing.T) {
 	home := t.TempDir()
 	t.Setenv("HOME", home)
+	t.Setenv("XDG_CONFIG_HOME", filepath.Join(home, "xdg-config"))
 
 	in := ClientCredentials{ClientID: "id", ClientSecret: "secret"}
 	if err := WriteClientCredentials(in); err != nil {
@@ -79,6 +80,7 @@ func TestClientCredentials_Roundtrip(t *testing.T) {
 func TestReadClientCredentials_Errors(t *testing.T) {
 	home := t.TempDir()
 	t.Setenv("HOME", home)
+	t.Setenv("XDG_CONFIG_HOME", filepath.Join(home, "xdg-config"))
 
 	_, err := ReadClientCredentials()
 	if err == nil {
diff --git a/internal/config/paths_test.go b/internal/config/paths_test.go
index 5b2b85f..07689e8 100644
--- a/internal/config/paths_test.go
+++ b/internal/config/paths_test.go
@@ -9,6 +9,7 @@ import (
 func TestPaths_CreateDirs(t *testing.T) {
 	home := t.TempDir()
 	t.Setenv("HOME", home)
+	t.Setenv("XDG_CONFIG_HOME", filepath.Join(home, "xdg-config"))
 
 	dir, err := EnsureDir()
 	if err != nil {