diff --git a/Cargo.toml b/Cargo.toml
index 575872294..1ca910189 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -49,7 +49,7 @@ ureq = { version = "3.0", features = [
     "gzip",
 ], default-features = false }
 native-tls = "0.2"
-zip = "8.0"
+zip = "9.0"
 
 [features]
 default = ["enum", "runtime"]
diff --git a/windows_build.rs b/windows_build.rs
index 2640c1760..e7d69f3b1 100644
--- a/windows_build.rs
+++ b/windows_build.rs
@@ -203,7 +203,8 @@ impl DevelPack {
             let inner_name = zip_content
                 .file_names()
                 .next()
-                .and_then(|f| f.split('/').next())
+                .transpose()?
+                .and_then(|f| f.split('/').next().map(str::to_owned))
                 .context("Failed to get development pack name")?;
             let devpack_path = out_dir.join(inner_name);
             let _ = std::fs::remove_dir_all(&devpack_path);