diff --git a/system-configuration/Cargo.toml b/system-configuration/Cargo.toml
index 92cc051..ed5b95c 100644
--- a/system-configuration/Cargo.toml
+++ b/system-configuration/Cargo.toml
@@ -9,6 +9,7 @@ repository = "https://github.com/mullvad/system-configuration-rs"
 license = "MIT OR Apache-2.0"
 readme = "../README.md"
 edition = "2021"
+rust-version = "1.64.0"
 
 [dependencies]
 core-foundation = "0.9"