diff --git a/gucc/src/logger.cpp b/gucc/src/logger.cpp
new file mode 100644
index 0000000..a92d90c
--- /dev/null
+++ b/gucc/src/logger.cpp
@@ -0,0 +1,13 @@
+#include "gucc/logger.hpp"
+
+#include <utility>  // for move
+
+#include <spdlog/spdlog-inl.h>
+
+namespace gucc::logger {
+
+void set_logger(std::shared_ptr<spdlog::logger> default_logger) noexcept {
+    spdlog::set_default_logger(std::move(default_logger));
+}
+
+}  // namespace gucc::logger