diff --git a/Cargo.toml b/Cargo.toml
index 7e2487a..6de8523 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,10 +3,10 @@ name = "init4-bin-base"
 
 description = "Internal utilities for binaries produced by the init4 team"
 keywords = ["init4", "bin", "base"]
-version = "0.19.1"
+version = "0.20.0"
 edition = "2021"
-rust-version = "1.85"
-authors = ["init4", "James Prestwich", "evalir"]
+rust-version = "1.92"
+authors = ["init4", "James Prestwich", "evalir", "Fraser Hutchison"]
 license = "MIT OR Apache-2.0"
 homepage = "https://github.com/init4tech/bin-base"
 repository = "https://github.com/init4tech/bin-base"
@@ -15,9 +15,9 @@ repository = "https://github.com/init4tech/bin-base"
 init4-from-env-derive = { version = "0.2.0", path = "from-env-derive" }
 
 # Signet
-signet-cold-sql = { version = "0.7.1", optional = true, default-features = false, features = ["postgres", "sqlite"] }
-signet-constants = { version = "0.16.0" }
-signet-tx-cache = { version = "0.16.0", optional = true }
+signet-cold-sql = { version = "0.8.0", optional = true, default-features = false, features = ["postgres", "sqlite"] }
+signet-constants = { version = "0.17.1" }
+signet-tx-cache = { version = "0.17.1", optional = true }
 
 # alloy
 alloy = { version = "1.0.35", optional = true, default-features = false, features = ["std", "signer-local", "consensus", "network"] }
diff --git a/README.md b/README.md
index 6ab143d..68181da 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Common functionality for binaries produced by the [`init4`] project. This crate
 
 ```toml
 [dependencies]
-init4-bin-base = "0.18"
+init4-bin-base = "0.20"
 ```
 
 ## Quick Start
diff --git a/src/perms/builders.rs b/src/perms/builders.rs
index 5bf931d..3e63ce2 100644
--- a/src/perms/builders.rs
+++ b/src/perms/builders.rs
@@ -138,7 +138,7 @@ impl Builders {
 
     /// Get the index of the builder that is allowed to sign a block for a
     /// particular timestamp.
-    pub fn index(&self, timestamp: u64) -> usize {
+    pub const fn index(&self, timestamp: u64) -> usize {
         self.config
             .calc()
             .slot_containing(timestamp)