diff --git a/Cargo.toml b/Cargo.toml
index c79641a..f5f6ded 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ name = "init4-bin-base"
 description = "Internal utilities for binaries produced by the init4 team"
 keywords = ["init4", "bin", "base"]
 
-version = "0.13.0"
+version = "0.13.1"
 edition = "2021"
 rust-version = "1.85"
 authors = ["init4", "James Prestwich", "evalir"]
@@ -16,8 +16,8 @@ repository = "https://github.com/init4tech/bin-base"
 init4-from-env-derive =  "0.1.0"
 
 # Signet
-signet-constants = { version = "0.11.0" }
-signet-tx-cache = { version = "0.11.0", optional = true }
+signet-constants = { version = "0.11.1" }
+signet-tx-cache = { version = "0.11.1", optional = true }
 
 # alloy
 alloy = { version = "1.0.35", optional = true, default-features = false, features = ["std", "signer-local", "consensus", "network"] }
diff --git a/src/utils/calc.rs b/src/utils/calc.rs
index 7197b04..f2828af 100644
--- a/src/utils/calc.rs
+++ b/src/utils/calc.rs
@@ -311,6 +311,7 @@ impl From<KnownChains> for SlotCalculator {
     fn from(value: KnownChains) -> Self {
         match value {
             KnownChains::Pecorino => SlotCalculator::pecorino_host(),
+            KnownChains::Test => SlotCalculator::new(12, 0, 12),
         }
     }
 }