diff --git a/Cargo.lock b/Cargo.lock
index ea35de3..ef4dd22 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2109,8 +2109,8 @@ dependencies = [
 
 [[package]]
 name = "hotshot-types"
-version = "0.1.0"
-source = "git+https://github.com/EspressoSystems/hotshot-types.git?tag=v0.1.0#df93a014947c1b3497263d1d689b5f0695ff4554"
+version = "0.1.5"
+source = "git+https://github.com/EspressoSystems/hotshot-types.git?tag=0.1.5#62eb49a93d36ca6695975456c148027edba4c71a"
 dependencies = [
  "ark-bls12-381",
  "ark-bn254",
diff --git a/Cargo.toml b/Cargo.toml
index 43789f1..b1fd42c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ async-trait = "0.1"
 clap = { version = "4.4", features = ["derive", "env"] }
 derive_more = "0.99"
 futures = "0.3"
-hotshot-types = { git = "https://github.com/EspressoSystems/hotshot-types.git", tag = "v0.1.0" }
+hotshot-types = { git = "https://github.com/EspressoSystems/hotshot-types.git", tag = "0.1.5" }
 serde = { version = "1.0", features = ["derive"] }
 snafu = { version = "0.7", features = ["backtraces"] }
 tagged-base64 = { git = "https://github.com/EspressoSystems/tagged-base64", tag = "0.3.4" }