diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..8f30858
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+go.dtapp.net/gostring v1.0.3 h1:KSOq4D77/g5yZN/bqWfZ0kOOaPr/P1240vg03+XdENI=
+go.dtapp.net/gostring v1.0.3/go.mod h1:+ggrOvgQDQturi1QGsXEpyRN/ZPoRDaqhMujIk5lrgQ=
+go.dtapp.net/gotime v1.0.2 h1:CFIJHQXC/4t9bsJhk2cLhjHd6rpdPcJXr8BcHKHDuQo=
+go.dtapp.net/gotime v1.0.2/go.mod h1:Gq7eNLr2iMLP18UNWONRq4V3Uhf/ADp4bIrS+Tc6ktY=