diff --git a/Cargo.toml b/Cargo.toml
index ed55af01..bdcdc893 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ local_offset = ["time/local-offset"]
 [dependencies]
 anyhow = "1.0.60"
 cfg-if = "1.0.0"
-enum-iterator = "1.1.3"
+enum-iterator = "~1.1.3"
 getset = "0.1.2"
 git2 = { version = "0.14.4", optional = true, default-features = false }
 rustc_version = { version = "0.4.0", optional = true }
diff --git a/src/error.rs b/src/error.rs
index 16e734ba..8ffcf018 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -27,6 +27,7 @@ impl fmt::Display for ErrKind {
 
 /// An error generated from the `vergen` library
 #[derive(Debug, thiserror::Error)]
+#[allow(variant_size_differences)]
 pub(crate) enum Error {
     /// An error from the `git2` library
     #[cfg(feature = "git")]