diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..d4c75e9
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,6 @@
+github.com/go-telegram-bot-api/telegram-bot-api v4.6.4+incompatible h1:2cauKuaELYAEARXRkq2LrJ0yDDv1rW7+wrTEdVL3uaU=
+github.com/go-telegram-bot-api/telegram-bot-api v4.6.4+incompatible/go.mod h1:qf9acutJ8cwBUhm1bqgz6Bei9/C/c93FPDljKWwsOgM=
+github.com/technoweenie/multipartstreamer v1.0.1 h1:XRztA5MXiR1TIRHxH2uNxXxaIkKQDeX7m2XsSOlQEnM=
+github.com/technoweenie/multipartstreamer v1.0.1/go.mod h1:jNVxdtShOxzAsukZwTSw6MDx5eUJoiEBsSvzDU9uzog=
+github.com/umputun/go-flags v1.5.1 h1:vRauoXV3Ultt1HrxivSxowbintgZLJE+EcBy5ta3/mY=
+github.com/umputun/go-flags v1.5.1/go.mod h1:nTbvsO/hKqe7Utri/NoyN18GR3+EWf+9RrmsdwdhrEc=