diff --git a/Cargo.lock b/Cargo.lock
index 7287a2c..5bc11ad 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1002,6 +1002,14 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
 
+[[package]]
+name = "contract-bindings"
+version = "0.1.0"
+source = "git+https://github.com/EspressoSystems/espresso-sequencer.git#64203273e84340c2a9ef96f0883ec0fe6c6d0c17"
+dependencies = [
+ "ethers",
+]
+
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -4099,11 +4107,13 @@ checksum = "cd0b0ec5f1c1ca621c432a25813d8d60c88abe6d3e08a3eb9cf37d97a0fe3d73"
 [[package]]
 name = "sequencer-utils"
 version = "0.1.0"
-source = "git+https://github.com/EspressoSystems/espresso-sequencer.git#9d6e2ca5563e12bd1138930eb8c7a40968678f75"
+source = "git+https://github.com/EspressoSystems/espresso-sequencer.git#64203273e84340c2a9ef96f0883ec0fe6c6d0c17"
 dependencies = [
+ "anyhow",
  "ark-serialize",
  "async-std",
  "commit",
+ "contract-bindings",
  "ethers",
  "portpicker",
  "surf",