diff --git a/Cargo.toml b/Cargo.toml
index 6d130ef..9c3fe77 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,11 +33,11 @@ rand = "0.6.5"
 rand_derive = "0.5.0"
 reed-solomon-erasure = "3.1.1"
 serde = { version = "1.0.102", features = ["derive", "rc"] }
-threshold_crypto = { branch = "master", git = "https://github.com/poanetwork/threshold_crypto" }
+threshold_crypto = { rev = "624eeee", git = "https://github.com/poanetwork/threshold_crypto" }
 tiny-keccak = "1.5.0"
 
 [dev-dependencies]
-colored = "1.8.0"
+colored = "1.9.0"
 crossbeam = "0.7.3"
 crossbeam-channel = "0.4.0"
 docopt = "1.1.0"
diff --git a/hbbft_testing/Cargo.toml b/hbbft_testing/Cargo.toml
index dc9925e..de51d6d 100644
--- a/hbbft_testing/Cargo.toml
+++ b/hbbft_testing/Cargo.toml
@@ -28,7 +28,7 @@ integer-sqrt = "0.1.2"
 proptest = "0.9.4"
 rand = "0.6.5"
 rand_xorshift = "0.1.1"
-threshold_crypto = { branch = "master", git = "https://github.com/poanetwork/threshold_crypto" }
+threshold_crypto = { rev = "624eeee", git = "https://github.com/poanetwork/threshold_crypto" }
 
 [features]
 use-insecure-test-only-mock-crypto = ["hbbft/use-insecure-test-only-mock-crypto"]