diff --git a/Cargo.lock b/Cargo.lock
index f7018a7..7270d40 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2115,9 +2115,10 @@ dependencies = [
 
 [[package]]
 name = "hotshot-types"
-version = "0.1.8"
-source = "git+https://github.com/EspressoSystems/hotshot-types?tag=0.1.8#db908cc340bc9db9ec193c2400ee9594e04c93f0"
+version = "0.1.9"
+source = "git+https://github.com/EspressoSystems/hotshot-types?tag=0.1.9#4c8dffbb3b47c35d9bc465cc6520d06da578f9ec"
 dependencies = [
+ "anyhow",
  "ark-bn254",
  "ark-ec",
  "ark-ed-on-bn254",
diff --git a/Cargo.toml b/Cargo.toml
index 7886173..e6aa4e9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hs-builder-api"
-version = "0.1.3"
+version = "0.1.4"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -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", tag = "0.1.8" }
+hotshot-types = { git = "https://github.com/EspressoSystems/hotshot-types", tag = "0.1.9" }
 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" }