diff --git a/Cargo.lock b/Cargo.lock
index 57ce94a2..ce779671 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1433,6 +1433,7 @@ dependencies = [
  "serde_json",
  "structopt",
  "tar",
+ "tempfile",
  "thiserror",
  "tokio 0.2.16",
  "url",
diff --git a/http/Cargo.toml b/http/Cargo.toml
index 9646dbce..95e23c94 100644
--- a/http/Cargo.toml
+++ b/http/Cargo.toml
@@ -38,3 +38,4 @@ bytes = "0.5.4"
 [dev-dependencies]
 hex = "0.4.2"
 hex-literal = "0.2.1"
+tempfile = "3.1.0"
diff --git a/http/src/v0/root_files.rs b/http/src/v0/root_files.rs
index 73316bec..74e0e608 100644
--- a/http/src/v0/root_files.rs
+++ b/http/src/v0/root_files.rs
@@ -268,8 +268,8 @@ mod tests {
                     let size = header.size()?;
 
                     // writing to file is the only supported way to get the contents
-                    let mut temp_file = std::env::temp_dir();
-                    temp_file.push("temporary_file_for_testing.txt");
+                    let tempdir = tempfile::tempdir()?;
+                    let temp_file = tempdir.path().join("temporary_file_for_testing.txt");
                     entry.unpack(&temp_file)?;
 
                     let bytes = std::fs::read(&temp_file);