diff --git a/accumulators/Cargo.toml b/accumulators/Cargo.toml
index d9156cbb..dab3d016 100644
--- a/accumulators/Cargo.toml
+++ b/accumulators/Cargo.toml
@@ -10,7 +10,7 @@ name = 'noah_accumulators'
 crate-type = ['rlib']
 
 [dependencies]
-itertools = '0.11.0'
+itertools = '0.12.0'
 ruc = '1.0'
 parking_lot = '0.12'
 
diff --git a/algebra/Cargo.toml b/algebra/Cargo.toml
index 6862b969..212d6912 100644
--- a/algebra/Cargo.toml
+++ b/algebra/Cargo.toml
@@ -17,7 +17,7 @@ crate-type = ['rlib']
 [dependencies]
 base64 = "0.21"
 digest = '0.10'
-itertools = '0.11.0'
+itertools = '0.12.0'
 serde = '1.0'
 serde_derive = '1.0'
 rayon = { version = "1", optional = true }
diff --git a/crypto/Cargo.toml b/crypto/Cargo.toml
index c15b7992..ec04bcf8 100644
--- a/crypto/Cargo.toml
+++ b/crypto/Cargo.toml
@@ -18,7 +18,7 @@ harness = false
 aes = '0.8.1'
 ctr = '0.9.1'
 digest = '0.10'
-itertools = '0.11.0'
+itertools = '0.12.0'
 merlin = '3.0'
 rand_chacha = '0.3'
 serde = '1.0'