diff --git a/Cargo.lock b/Cargo.lock
index 31f4e2a..e5ae0c4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -703,13 +703,13 @@ dependencies = [
 
 [[package]]
 name = "ceramic-core"
-version = "0.9.0"
-source = "git+https://github.com/3box/rust-ceramic?branch=main#dba11dadf30ac9cf6bb98223c92c9f7014f9eb8b"
+version = "0.17.0"
+source = "git+https://github.com/ceramicnetwork/rust-ceramic?branch=feat/event-builder#6a67832c1588ddb00d452c8c90ac7e4197488373"
 dependencies = [
  "anyhow",
  "async-trait",
  "base64 0.21.7",
- "cid 0.10.1",
+ "cid 0.11.1",
  "did-method-key",
  "did-pkh",
  "hex",
@@ -717,14 +717,16 @@ dependencies = [
  "libp2p-identity",
  "minicbor",
  "multibase 0.9.1",
+ "multihash-codetable",
+ "multihash-derive 0.9.0",
  "once_cell",
  "regex",
  "serde",
  "serde_bytes",
- "serde_ipld_dagcbor 0.3.0",
+ "serde_ipld_dagcbor",
  "serde_json",
  "ssi",
- "unsigned-varint 0.7.2",
+ "unsigned-varint 0.8.0",
 ]
 
 [[package]]
@@ -749,7 +751,7 @@ dependencies = [
  "regex",
  "serde",
  "serde_bytes",
- "serde_ipld_dagcbor 0.6.1",
+ "serde_ipld_dagcbor",
  "serde_json",
  "ssi",
  "unsigned-varint 0.8.0",
@@ -757,29 +759,34 @@ dependencies = [
 
 [[package]]
 name = "ceramic-event"
-version = "0.9.0"
-source = "git+https://github.com/3box/rust-ceramic?branch=main#dba11dadf30ac9cf6bb98223c92c9f7014f9eb8b"
+version = "0.17.0"
+source = "git+https://github.com/ceramicnetwork/rust-ceramic?branch=feat/event-builder#6a67832c1588ddb00d452c8c90ac7e4197488373"
 dependencies = [
  "anyhow",
- "ceramic-core 0.9.0",
- "multihash 0.18.1",
+ "async-trait",
+ "ceramic-core 0.17.0 (git+https://github.com/ceramicnetwork/rust-ceramic?branch=feat/event-builder)",
+ "cid 0.11.1",
+ "ipld-core",
+ "multihash-codetable",
  "once_cell",
  "rand",
  "serde",
+ "serde_json",
 ]
 
 [[package]]
 name = "ceramic-http-client"
 version = "0.1.0"
-source = "git+https://github.com/3box/ceramic-http-client-rs.git?branch=main#be4b848c2a178e860eb17941ddc430b5e91c4f9f"
+source = "git+https://github.com/3box/ceramic-http-client-rs.git?branch=chore/lib-update#d3e2ebf1d86be94e3bddd42193365069864e95f8"
 dependencies = [
  "anyhow",
  "ceramic-event",
  "json-patch",
+ "once_cell",
+ "rand",
  "schemars",
  "serde",
  "serde_json",
- "ssi",
 ]
 
 [[package]]
@@ -817,20 +824,6 @@ dependencies = [
  "unsigned-varint 0.7.2",
 ]
 
-[[package]]
-name = "cid"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd94671561e36e4e7de75f753f577edafb0e7c05d6e4547229fdf7938fbcd2c3"
-dependencies = [
- "core2",
- "multibase 0.9.1",
- "multihash 0.18.1",
- "serde",
- "serde_bytes",
- "unsigned-varint 0.7.2",
-]
-
 [[package]]
 name = "cid"
 version = "0.11.1"
@@ -2491,7 +2484,7 @@ dependencies = [
  "futures",
  "integer-encoding",
  "serde",
- "serde_ipld_dagcbor 0.6.1",
+ "serde_ipld_dagcbor",
  "thiserror",
  "tokio",
 ]
@@ -2837,7 +2830,7 @@ dependencies = [
  "anyhow",
  "async-trait",
  "base64 0.21.7",
- "ceramic-core 0.17.0",
+ "ceramic-core 0.17.0 (git+https://github.com/ceramicnetwork/rust-ceramic.git?branch=main)",
  "ceramic-http-client",
  "chrono",
  "clap",
@@ -2858,7 +2851,7 @@ dependencies = [
  "reqwest",
  "schemars",
  "serde",
- "serde_ipld_dagcbor 0.6.1",
+ "serde_ipld_dagcbor",
  "serde_ipld_dagjson",
  "serde_json",
  "test-log",
@@ -3425,25 +3418,6 @@ dependencies = [
  "unsigned-varint 0.7.2",
 ]
 
-[[package]]
-name = "multihash"
-version = "0.18.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfd8a792c1694c6da4f68db0a9d707c72bd260994da179e6030a5dcee00bb815"
-dependencies = [
- "blake2b_simd 1.0.2",
- "blake2s_simd",
- "blake3",
- "core2",
- "digest 0.10.7",
- "multihash-derive 0.8.0",
- "serde",
- "serde-big-array",
- "sha2 0.10.8",
- "sha3",
- "unsigned-varint 0.7.2",
-]
-
 [[package]]
 name = "multihash"
 version = "0.19.1"
@@ -4884,18 +4858,6 @@ dependencies = [
  "syn 1.0.109",
 ]
 
-[[package]]
-name = "serde_ipld_dagcbor"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2433e94ffb5977e67afbd75733abd6ada1c4f497125894a8c89b3fdc5fd6a058"
-dependencies = [
- "cbor4ii",
- "cid 0.8.6",
- "scopeguard",
- "serde",
-]
-
 [[package]]
 name = "serde_ipld_dagcbor"
 version = "0.6.1"
diff --git a/runner/Cargo.toml b/runner/Cargo.toml
index b31fe9d..ad13090 100644
--- a/runner/Cargo.toml
+++ b/runner/Cargo.toml
@@ -10,8 +10,8 @@ anyhow.workspace = true
 async-trait.workspace = true
 ceramic-core.workspace = true
 iroh-car.workspace = true
-ceramic-http-client = { git = "https://github.com/3box/ceramic-http-client-rs.git", branch = "main", default-features = false }
-#ceramic-http-client = { path = "../../ceramic-http-client-rs", default-features = false }
+ceramic-http-client = { git = "https://github.com/3box/ceramic-http-client-rs.git", branch = "chore/lib-update", default-features = false }
+# ceramic-http-client = { path = "../../ceramic-http-client-rs", default-features = false }
 clap.workspace = true
 did-method-key = "0.2"
 goose = { version = "0.16", features = ["gaggle"] }
diff --git a/runner/src/scenario/ceramic/anchor.rs b/runner/src/scenario/ceramic/anchor.rs
index 6e3de0b..d43a31a 100644
--- a/runner/src/scenario/ceramic/anchor.rs
+++ b/runner/src/scenario/ceramic/anchor.rs
@@ -35,7 +35,8 @@ async fn auth_header(url: String, controller: String, digest: Cid) -> Result<Str
     let signer = JwkSigner::new(DidDocument::new(controller.as_str()), &node_private_key)
         .await
         .unwrap();
-    let auth_jws = Jws::for_data(&signer, &auth_payload).await?;
+    let auth_jws = Jws::builder(&signer).build_for_data(&auth_payload).await?;
+
     let (sig, protected) = auth_jws
         .signatures
         .first()