:page_facing_up: update copyright year
diff --git a/test/src/unit-meta.cpp b/test/src/unit-meta.cpp
index 50dd6b4..c35ca79 100644
--- a/test/src/unit-meta.cpp
+++ b/test/src/unit-meta.cpp
@@ -39,7 +39,7 @@
         json j = json::meta();
 
         CHECK(j["name"] == "JSON for Modern C++");
-        CHECK(j["copyright"] == "(C) 2013-2020 Niels Lohmann");
+        CHECK(j["copyright"] == "(C) 2013-2021 Niels Lohmann");
         CHECK(j["url"] == "https://github.com/nlohmann/json");
         CHECK(j["version"] == json(
         {