diff --git a/acme_common/Cargo.toml b/acme_common/Cargo.toml
index 3d36a1b..e4d64ee 100644
--- a/acme_common/Cargo.toml
+++ b/acme_common/Cargo.toml
@@ -32,7 +32,7 @@ punycode = "0.4"
 serde_json = "1.0"
 syslog = "6.0"
 tinytemplate = "1.2"
-toml = "0.5"
+toml = "0.6"
 
 [target.'cfg(unix)'.dependencies]
 nix = "0.26"
diff --git a/acmed/Cargo.toml b/acmed/Cargo.toml
index dd9fe5b..56fcbb3 100644
--- a/acmed/Cargo.toml
+++ b/acmed/Cargo.toml
@@ -30,11 +30,11 @@ nom = { version = "7.0", default-features = false, features = [] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 tinytemplate = "1.2"
-toml = "0.5"
+toml = "0.6"
 
 [target.'cfg(unix)'.dependencies]
 nix = "0.26"
 
 [build-dependencies]
 serde = { version = "1.0", features = ["derive"] }
-toml = "0.5"
+toml = "0.6"