diff --git a/vault-api/Cargo.toml b/vault-api/Cargo.toml
index c73cdfb..c00c68a 100644
--- a/vault-api/Cargo.toml
+++ b/vault-api/Cargo.toml
@@ -24,7 +24,7 @@ swagger = "0.7"
 #
 bodyparser = {version = "0.7", optional = true}
 url = "1.5"
-lazy_static = "0.2"
+lazy_static = "1.4"
 log = "0.3.0"
 multipart = {version = "0.13", optional = true}
 router = {version = "0.5", optional = true}