diff --git a/Cargo.toml b/Cargo.toml
index e2d6b77..ca650a9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,7 +50,7 @@ hex = "0.4.3"
 lazy-regex = "3.0"
 libtest = { version = "0.7", package = "libtest-mimic" }
 pretty_assertions = "1.4"
-rustversion = "1.0.17"
+rustversion = "1.0.11"
 toml = { version = "0.1", package = "basic-toml" }
 
 [profile.release]