diff --git a/Cargo.lock b/Cargo.lock
index 92f7363..ac8a6d9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -776,9 +776,9 @@ source = "git+https://github.com/espressosystems/espresso-systems-common?branch=
 
 [[package]]
 name = "fixed-hash"
-version = "0.7.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfcf0ed7fe52a17a03854ec54a9f76d6d84508d1c0e66bc1793301c73fc8493c"
+checksum = "835c052cb0c08c1acf6ffd71c022172e18723949c8282f2b9f27efbc51e64534"
 dependencies = [
  "byteorder",
  "rand",
@@ -1412,9 +1412,9 @@ checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
 
 [[package]]
 name = "primitive-types"
-version = "0.11.1"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e28720988bff275df1f51b171e1b2a18c30d194c4d2b61defdacecd625a5d94a"
+checksum = "9f3486ccba82358b11a77516035647c34ba167dfa53312630de83b12bd4f3d66"
 dependencies = [
  "fixed-hash",
  "impl-codec",
diff --git a/Cargo.toml b/Cargo.toml
index 5c6341b..f70ef8d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ jf-relation = { git = "https://github.com/EspressoSystems/jellyfish.git", rev =
 jf-utils = { git = "https://github.com/EspressoSystems/jellyfish.git", rev = "bcd92b2cffd63b946a6b11c327ef1f5efb957714" }
 num_cpus = { version = "1.13.0", default-features = false }
 percentage = { version = "0.1.0", default-features = false }
-primitive-types = "0.11"
+primitive-types = "0.12"
 rand = { version = "0.8.4", default-features = false, features = [ "alloc" ] }
 rand_chacha = { version = "0.3.1" }
 rayon = { version = "1.7.0", default-features = false }