diff --git a/packer/Cargo.toml b/packer/Cargo.toml
index 67d1492b3..94a9f4eaf 100644
--- a/packer/Cargo.toml
+++ b/packer/Cargo.toml
@@ -5,17 +5,17 @@ authors = ["Facebook, Inc."]
 edition = "2018"
 
 [dependencies]
-clap = "2.33.0"
-shellexpand = "2.0.0"
-tar = "0.4.26"
-serde = { version = "1.0.106", features = ["derive"] }
-serde_yaml = "0.8.11"
-anyhow = "1.0.28"
-sha2 = "0.8.1"
-data-encoding = "2.2.0"
-serde_json = "1.0.52"
-rayon = "1.3.0"
-indicatif = "0.14.0"
+clap = "^2.33.0"
+shellexpand = "^2.0.0"
+tar = "^0.4.26"
+serde = { version = "^1.0.106", features = ["derive"] }
+serde_yaml = "^0.8.11"
+anyhow = "^1.0.28"
+sha2 = "^0.8.1"
+data-encoding = "^2.2.0"
+serde_json = "^1.0.52"
+rayon = "^1.3.0"
+indicatif = "^0.14.0"
 
 [dev-dependencies]
-tempdir = "0.3.7"
+tempdir = "^0.3.7"