diff --git a/Cargo.toml b/Cargo.toml
index 9102880..a0b25fc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ redis = {version="*"}
 md5 = {version="*"}
 rand={version="*"}
 once_cell = {version="*"}
-error-stack = "0.3.1"
+error-stack = {version="0.3.1"}
 
 [dev-dependencies]
 rusty-hook = "^0.11.2"