diff --git a/Cargo.toml b/Cargo.toml
index 9d137ff5..339454ff 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ regex = "1.9"
 reqwest = { version = "0.11", features = ["json"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-tempfile = "^3.8"
+tempfile = ">= 3.7, < 4.0"
 thiserror = "1.0"
 tokio = { version = "1.26", features = ["signal", "rt", "rt-multi-thread"] }
 toml = "0.5"
@@ -53,7 +53,7 @@ zbus = "3"
 http = "0.2"
 mockito = "0.31"
 proptest = "1.2"
-tempfile = "^3.8"
+tempfile = ">= 3.7, < 4.0"
 
 [features]
 failpoints = [ "fail/failpoints" ]