diff --git a/tonlib/tonlib/tonlib_client_json.cpp b/tonlib/tonlib/tonlib_client_json.cpp
index 243abce2..b6e25699 100644
--- a/tonlib/tonlib/tonlib_client_json.cpp
+++ b/tonlib/tonlib/tonlib_client_json.cpp
@@ -22,6 +22,8 @@
 
 #include "td/utils/Slice.h"
 
+#include "tonlib/Logging.h"
+
 extern "C" int tonlib_client_json_square(int x, const char *str) {
   return x * x;
 }
@@ -30,6 +32,10 @@ void *tonlib_client_json_create() {
   return new tonlib::ClientJson();
 }
 
+void tonlib_client_set_verbosity_level(int verbosity_level) {
+  tonlib::Logging::set_verbosity_level(verbosity_level);
+}
+
 void tonlib_client_json_destroy(void *client) {
   delete static_cast<tonlib::ClientJson *>(client);
 }
diff --git a/tonlib/tonlib/tonlib_client_json.h b/tonlib/tonlib/tonlib_client_json.h
index d1784a1f..cb8ff2fb 100644
--- a/tonlib/tonlib/tonlib_client_json.h
+++ b/tonlib/tonlib/tonlib_client_json.h
@@ -26,6 +26,8 @@ extern "C" {
 
 TONLIBJSON_EXPORT void *tonlib_client_json_create();
 
+TONLIBJSON_EXPORT void tonlib_client_set_verbosity_level(int verbosity_level);
+
 TONLIBJSON_EXPORT void tonlib_client_json_send(void *client, const char *request);
 
 TONLIBJSON_EXPORT const char *tonlib_client_json_receive(void *client, double timeout);
diff --git a/tonlib/tonlibclientjson_export_list b/tonlib/tonlibclientjson_export_list
index 217f3dd5..32735d33 100644
--- a/tonlib/tonlibclientjson_export_list
+++ b/tonlib/tonlibclientjson_export_list
@@ -3,3 +3,4 @@ _tonlib_client_json_destroy
 _tonlib_client_json_send
 _tonlib_client_json_receive
 _tonlib_client_json_execute
+_tonlib_client_set_verbosity_level