diff --git a/Cargo.toml b/Cargo.toml
index 88409a0..e060801 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,8 +18,8 @@ repository = "https://gitlab.com/msrd0/gotham-restful"
 gitlab = { repository = "msrd0/gotham-restful", branch = "master" }
 
 [dependencies]
-base64 = { version = "0.12.1", optional = true }
-chrono = { version = "0.4.11", features = ["serde"], optional = true }
+base64 = { version = "0.13.0", optional = true }
+chrono = { version = "0.4.19", features = ["serde"], optional = true }
 cookie = { version = "0.14", optional = true }
 futures-core = "0.3.5"
 futures-util = "0.3.5"
@@ -34,7 +34,7 @@ log = "0.4.8"
 mime = "0.3.16"
 openapiv3 = { version = "0.3.2", optional = true }
 serde = { version = "1.0.110", features = ["derive"] }
-serde_json = "1.0.53"
+serde_json = "1.0.58"
 uuid = { version = "0.8.1", optional = true }
 
 [dev-dependencies]