diff --git a/evm/Cargo.toml b/evm/Cargo.toml
index 03850f7a..e942a9f9 100644
--- a/evm/Cargo.toml
+++ b/evm/Cargo.toml
@@ -6,7 +6,6 @@ edition = "2021"
 
 [dependencies]
 anyhow = "1.0.40"
-env_logger = "0.9.0"
 eth_trie_utils = "0.4.0"
 ethereum-types = "0.14.0"
 hex = { version = "0.4.3", optional = true }
@@ -23,11 +22,9 @@ plonky2 = { path = "../plonky2", default-features = false, features = ["timing"]
 plonky2_util = { path = "../util" }
 rand = "0.8.5"
 rand_chacha = "0.3.1"
-ripemd = "0.1.3"
 rlp = "0.5.1"
 rlp-derive = "0.1.0"
 serde = { version = "1.0.144", features = ["derive"] }
-sha2 = "0.10.2"
 static_assertions = "1.1.0"
 tiny-keccak = "2.0.2"
 
@@ -36,7 +33,10 @@ jemallocator = "0.5.0"
 
 [dev-dependencies]
 criterion = "0.4.0"
+env_logger = "0.10.0"
 hex = "0.4.3"
+ripemd = "0.1.3"
+sha2 = "0.10.6"
 
 [features]
 default = ["parallel"]
diff --git a/system_zero/Cargo.toml b/system_zero/Cargo.toml
index 58a5e489..03aaea20 100644
--- a/system_zero/Cargo.toml
+++ b/system_zero/Cargo.toml
@@ -6,7 +6,6 @@ edition = "2021"
 
 [dependencies]
 anyhow = "1.0.40"
-env_logger = "0.9.0"
 itertools = "0.10.0"
 log = "0.4.14"
 plonky2 = { path = "../plonky2" }
@@ -17,6 +16,7 @@ starky = { path = "../starky" }
 
 [dev-dependencies]
 criterion = "0.4.0"
+env_logger = "0.10.0"
 
 [[bench]]
 name = "lookup_permuted_cols"
diff --git a/util/Cargo.toml b/util/Cargo.toml
index 4e0b4b15..4419db2a 100644
--- a/util/Cargo.toml
+++ b/util/Cargo.toml
@@ -4,5 +4,5 @@ description = "Utilities used by Plonky2"
 version = "0.1.0"
 edition = "2021"
 
-[dependencies]
+[dev-dependencies]
 rand = { version = "0.8.5", default-features = false, features = ["getrandom"] }