diff --git a/testserver/Cargo.toml b/testserver/Cargo.toml
index 50bafe30..2d82ad5b 100644
--- a/testserver/Cargo.toml
+++ b/testserver/Cargo.toml
@@ -10,4 +10,4 @@ humantime = "2"
 once_cell = "1"
 regex = "1.3"
 threadfin = "0.1.1"
-tiny_http = "0.9"
+tiny_http = "0.12"