diff --git a/Cargo.toml b/Cargo.toml
index a01bfd594..58a63a37c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ time = "0.1"
 evmjit = { path = "rust-evmjit", optional = true }
 ethash = { path = "ethash" }
 num_cpus = "0.2"
-clippy = "*"
+clippy = "*" # Always newest, since we use nightly
 
 [features]
 jit = ["evmjit"]
diff --git a/util/Cargo.toml b/util/Cargo.toml
index 32f6eb17c..38ccfe9f8 100644
--- a/util/Cargo.toml
+++ b/util/Cargo.toml
@@ -24,7 +24,7 @@ heapsize = "0.2"
 itertools = "0.4"
 slab = { git = "https://github.com/arkpar/slab.git" }
 sha3 = { path = "sha3" }
-clippy = "*"
+clippy = "*" # Always newest, since we use nightly
 
 [dev-dependencies]
 json-tests = { path = "json-tests" }