diff --git a/Cargo.toml b/Cargo.toml
index b7ebf8b4..c4f24bb2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ categories = ["network-programming", "cryptography"]
 
 [dependencies]
 base64 = "0.10"
-log = { version = "0.4.0", optional = true }
+log = { version = "0.4.4", optional = true }
 ring = "0.14"
 sct = "0.5"
 untrusted = "0.6.2"
@@ -26,10 +26,10 @@ quic = []
 
 [dev-dependencies]
 env_logger = "0.6.1"
-log = "0.4.0"
+log = "0.4.4"
 tempfile = "3.0"
 webpki-roots = "0.16"
-criterion = "0.2"
+criterion = "0.2.11"
 
 [[example]]
 name = "bogo_shim"