diff --git a/lingui.config.ts b/lingui.config.ts
index 20fbac6a3..6b80a82f0 100644
--- a/lingui.config.ts
+++ b/lingui.config.ts
@@ -45,6 +45,7 @@ export default defineConfig({
 		"ro-RO",
 		"ru-RU",
 		"sk-SK",
+		"sl-SI",
 		"sq-AL",
 		"sr-SP",
 		"sv-SE",
diff --git a/src/utils/locale.ts b/src/utils/locale.ts
index 3f2facbbd..734174443 100644
--- a/src/utils/locale.ts
+++ b/src/utils/locale.ts
@@ -47,6 +47,7 @@ const localeSchema = z.union([
 	z.literal("ro-RO"),
 	z.literal("ru-RU"),
 	z.literal("sk-SK"),
+	z.literal("sl-SI"),
 	z.literal("sq-AL"),
 	z.literal("sr-SP"),
 	z.literal("sv-SE"),
@@ -109,6 +110,7 @@ export const localeMap = {
 	"ro-RO": msg`Romanian`,
 	"ru-RU": msg`Russian`,
 	"sk-SK": msg`Slovak`,
+	"sl-SI": msg`Slovenian`,
 	"sq-AL": msg`Albanian`,
 	"sr-SP": msg`Serbian`,
 	"sv-SE": msg`Swedish`,