diff --git a/benches/Cargo.toml b/benches/Cargo.toml
index bf27185..a2aea7d 100644
--- a/benches/Cargo.toml
+++ b/benches/Cargo.toml
@@ -22,7 +22,7 @@ ark-relations = "0.4"
 ark-r1cs-std = "0.4"
 
 digest = "0.9"
-blake2 = "0.9"
+blake2 = "0.10"
 csv = "1"
 
 ark-inner-products = { path = "../inner_products" }
diff --git a/ip_proofs/Cargo.toml b/ip_proofs/Cargo.toml
index 5abdf39..0049405 100644
--- a/ip_proofs/Cargo.toml
+++ b/ip_proofs/Cargo.toml
@@ -34,7 +34,7 @@ ark-ed-on-bls12-381 = "0.4"
 
 ark-relations = "0.4"
 ark-r1cs-std = "0.4"
-blake2 = "0.9"
+blake2 = "0.10"
 
 [features]
 default = [ "parallel" ]
diff --git a/sipp/Cargo.toml b/sipp/Cargo.toml
index 87069de..6116046 100644
--- a/sipp/Cargo.toml
+++ b/sipp/Cargo.toml
@@ -31,7 +31,7 @@ rand_chacha = "0.3"
 digest = "0.9"
 
 [dev-dependencies]
-blake2 = "0.9"
+blake2 = "0.10"
 csv = "1"
 serde = { version = "1", features = [ "derive" ] }
 ark-bls12-377 = { version = "0.4", features = [ "curve" ] }