--- libbpf-rs-0.11.2/Cargo.toml	1970-01-01T00:00:00+00:00
+++ libbpf-rs-0.11.2/Cargo.toml	2021-07-29T17:41:12.724390+00:00
@@ -28,7 +28,7 @@
 version = "0.4.0-2"
 
 [dependencies.nix]
-version = "0.21"
+version = "0.20"
 
 [dependencies.num_enum]
 version = "0.5"