diff --git a/Cargo.lock b/Cargo.lock
index bfbfb8227c..61f6f1c9b4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3259,7 +3259,7 @@ dependencies = [
  "nimiq-mmr",
  "rust-argon2",
  "serde",
- "sha2 0.9.9",
+ "sha2 0.10.1",
 ]
 
 [[package]]
@@ -3365,7 +3365,7 @@ dependencies = [
  "rand 0.8.5",
  "rand_core 0.6.3",
  "serde",
- "sha2 0.9.9",
+ "sha2 0.10.1",
  "thiserror",
 ]
 
@@ -4011,7 +4011,7 @@ dependencies = [
  "rand 0.8.5",
  "serde",
  "serde-big-array",
- "sha2 0.9.9",
+ "sha2 0.10.1",
 ]
 
 [[package]]
diff --git a/hash/Cargo.toml b/hash/Cargo.toml
index 9ad726e8f3..5dcae75021 100644
--- a/hash/Cargo.toml
+++ b/hash/Cargo.toml
@@ -21,7 +21,7 @@ blake2-rfc = "0.2"
 rust-argon2 = "1.0"
 byteorder = "1.2"
 hex = "0.4"
-sha2 = "0.9"
+sha2 = "0.10"
 serde = { version = "1.0", features = ["derive"], optional = true }
 
 beserial = { path = "../beserial" }
diff --git a/keys/Cargo.toml b/keys/Cargo.toml
index 1a2f3a1823..6651ced34d 100644
--- a/keys/Cargo.toml
+++ b/keys/Cargo.toml
@@ -24,7 +24,7 @@ thiserror = "1.0"
 hex = "0.4"
 rand_core = "0.6"
 rand = "0.8"
-sha2 = "0.9"
+sha2 = "0.10"
 serde = { version = "1.0", optional = true }
 
 beserial = { path = "../beserial" }
diff --git a/vrf/Cargo.toml b/vrf/Cargo.toml
index e5e75baf66..677db1798b 100644
--- a/vrf/Cargo.toml
+++ b/vrf/Cargo.toml
@@ -18,7 +18,7 @@ num-traits = "0.2"
 rand = "0.8"
 serde = { version = "1.0", features = ["derive"], optional = true }
 serde-big-array = { version = "0.3.2", optional = true }
-sha2 = "0.9"
+sha2 = "0.10"
 
 beserial = { path = "../beserial" }
 nimiq-hash = { path = "../hash" }