diff --git a/Cargo.toml b/Cargo.toml | |
index 2656b5f..159937f 100644 | |
--- a/Cargo.toml | |
+++ b/Cargo.toml | |
@@ -93,7 +93,10 @@ optional = true | |
default-features = false | |
[build-dependencies.autocfg] | |
-version = "1" | |
+# autocfg 1.4 uses different, non-deterministic filenames. We don't | |
+# actually depend on these files, but they are present in the out/ | |
+# directory, and it's simpler to keep them around. | |
+version = "=1.1.0" | |
[features] | |
default = ["std"] |