diff --git a/Cargo.toml b/Cargo.toml
index d533de1..779e824 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ corepc-types = { version = "0.12.0", features = ["default"], optional = true }
 jsonrpc = { version = "0.20.0", default-features = false }
 
 # These pins are needed for `Cargo-minimal.lock`:
-hex-conservative = { version = "0.2.1" } # blame: corepc-node
+hex-conservative = { version = "1.1.0" } # blame: corepc-node
 
 [dev-dependencies]
 anyhow = { version = "1.0.66" }