diff --git a/Cargo.lock b/Cargo.lock
index 61d3cb7..bad3491 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -125,9 +125,6 @@ name = "anyhow"
 version = "1.0.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b3d1d046238990b9cf5bcde22a3fb3584ee5cf65fb2765f454ed428c7a0063da"
-dependencies = [
- "backtrace",
-]
 
 [[package]]
 name = "arrayref"
@@ -625,9 +622,9 @@ checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "bytes"
-version = "1.6.1"
+version = "1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a12916984aab3fa6e39d655a33e09c0071eb36d6ab3aea5c2d78551f1df6d952"
+checksum = "8318a53db07bb3f8dca91a600466bdb3f2eaadeedfdbcf02e1accbad9271ba50"
 
 [[package]]
 name = "cacaos"
@@ -669,14 +666,28 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.1.7"
+version = "1.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26a5c3fd7bfa1ce3897a3a3501d362b2d87b7f2583ebcb4a949ec25911025cbc"
+checksum = "504bdec147f2cc13c8b57ed9401fd8a147cc66b67ad5cb241394244f2c947549"
+
+[[package]]
+name = "ceramic-car"
+version = "0.34.0"
+source = "git+https://github.com/ceramicnetwork/rust-ceramic.git?branch=main#d067bfc31a77ad5f4be9fb89256a1ceb9cf32c42"
+dependencies = [
+ "cid 0.11.1",
+ "futures",
+ "integer-encoding",
+ "serde",
+ "serde_ipld_dagcbor",
+ "thiserror",
+ "tokio",
+]
 
 [[package]]
 name = "ceramic-core"
-version = "0.30.0"
-source = "git+https://github.com/ceramicnetwork/rust-ceramic.git?branch=main#89788719e3cffa649a60fb3166e1349537842b9c"
+version = "0.34.0"
+source = "git+https://github.com/ceramicnetwork/rust-ceramic.git?branch=main#d067bfc31a77ad5f4be9fb89256a1ceb9cf32c42"
 dependencies = [
  "anyhow",
  "base64 0.21.7",
@@ -702,15 +713,16 @@ dependencies = [
 
 [[package]]
 name = "ceramic-event"
-version = "0.30.0"
-source = "git+https://github.com/ceramicnetwork/rust-ceramic.git?branch=main#89788719e3cffa649a60fb3166e1349537842b9c"
+version = "0.34.0"
+source = "git+https://github.com/ceramicnetwork/rust-ceramic.git?branch=main#d067bfc31a77ad5f4be9fb89256a1ceb9cf32c42"
 dependencies = [
  "anyhow",
  "base64 0.21.7",
+ "ceramic-car",
  "ceramic-core",
+ "chrono",
  "cid 0.11.1",
  "ipld-core",
- "iroh-car",
  "multibase 0.9.1",
  "multihash-codetable",
  "serde",
@@ -793,9 +805,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.11"
+version = "4.5.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35723e6a11662c2afb578bcf0b88bf6ea8e21282a953428f240574fcc3a2b5b3"
+checksum = "0fbb260a053428790f3de475e304ff84cdbc4face759ea7a3e64c1edd938a7fc"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -803,9 +815,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.11"
+version = "4.5.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49eb96cbfa7cfa35017b7cd548c75b14c3118c98b423041d70562665e07fb0fa"
+checksum = "64b17d7ea74e9f833c7dbf2cbe4fb12ff26783eda4782a8975b72f895c9b4d99"
 dependencies = [
  "anstream",
  "anstyle",
@@ -815,9 +827,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.5.11"
+version = "4.5.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d029b67f89d30bbb547c89fd5161293c0aec155fc691d7924b64550662db93e"
+checksum = "501d359d5f3dcaf6ecdeee48833ae73ec6e42723a1e52419c79abf9507eec0a0"
 dependencies = [
  "heck 0.5.0",
  "proc-macro2",
@@ -1671,9 +1683,9 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.30"
+version = "1.0.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f54427cfd1c7829e2a139fcefea601bf088ebca651d2bf53ebc600eac295dae"
+checksum = "7f211bbe8e69bbd0cfdea405084f128ae8b4aaa6b0b522fc8f2b009084797920"
 dependencies = [
  "crc32fast",
  "miniz_oxide",
@@ -2020,7 +2032,7 @@ dependencies = [
  "futures-sink",
  "futures-util",
  "http",
- "indexmap 2.2.6",
+ "indexmap 2.3.0",
  "slab",
  "tokio",
  "tokio-util",
@@ -2326,9 +2338,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.2.6"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "168fb715dda47215e360912c096649d23d58bf392ac62f73919e831745e40f26"
+checksum = "de3fc2e30ba82dd1b3911c8de1ffc143c74a914a14e99514d7637e3099df5ea0"
 dependencies = [
  "equivalent",
  "hashbrown 0.14.5",
@@ -2436,20 +2448,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "iroh-car"
-version = "0.30.0"
-source = "git+https://github.com/ceramicnetwork/rust-ceramic.git?branch=main#89788719e3cffa649a60fb3166e1349537842b9c"
-dependencies = [
- "cid 0.11.1",
- "futures",
- "integer-encoding",
- "serde",
- "serde_ipld_dagcbor",
- "thiserror",
- "tokio",
-]
-
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.1"
@@ -2819,6 +2817,7 @@ dependencies = [
  "anyhow",
  "async-trait",
  "base64 0.21.7",
+ "ceramic-car",
  "ceramic-core",
  "ceramic-http-client",
  "chrono",
@@ -2829,7 +2828,6 @@ dependencies = [
  "hex",
  "ipld-core",
  "ipld-dagpb",
- "iroh-car",
  "keramik-common",
  "multibase 0.9.1",
  "multihash 0.19.1",
@@ -3652,9 +3650,9 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.36.2"
+version = "0.36.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f203fa8daa7bb185f760ae12bd8e097f63d17041dcdcaf675ac54cdf863170e"
+checksum = "27b64972346851a39438c60b341ebc01bba47464ae329e55cf343eb93964efd9"
 dependencies = [
  "memchr",
 ]
@@ -3723,7 +3721,7 @@ checksum = "1e32339a5dc40459130b3bd269e9892439f55b33e772d2a9d402a789baaf4e8a"
 dependencies = [
  "futures-core",
  "futures-sink",
- "indexmap 2.2.6",
+ "indexmap 2.3.0",
  "js-sys",
  "once_cell",
  "pin-project-lite",
@@ -4096,12 +4094,11 @@ checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.19"
+version = "0.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2288c0e17cc8d342c712bb43a257a80ebffce59cdb33d5000d8348f3ec02528b"
+checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
 dependencies = [
  "zerocopy",
- "zerocopy-derive",
 ]
 
 [[package]]
@@ -4402,9 +4399,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.10.5"
+version = "1.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b91213439dad192326a0d7c6ee3955910425f441d7038e0d6933b0aec5c4517f"
+checksum = "4219d74c6b67a3654a9fbebc4b419e22126d13d2f3c4a07ee0cb61ff79a79619"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -4887,9 +4884,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.121"
+version = "1.0.122"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ab380d7d9f22ef3f21ad3e6c1ebe8e4fc7a2000ccba2e4d71fc96f15b2cb609"
+checksum = "784b6203951c57ff748476b126ccb5e8e2959a5c19e5c617ab1956be3dbc68da"
 dependencies = [
  "itoa",
  "memchr",
@@ -4966,7 +4963,7 @@ version = "0.9.34+deprecated"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a8b1a1a2ebf674015cc02edccce75287f1a0130d394307b36743c2f5d504b47"
 dependencies = [
- "indexmap 2.2.6",
+ "indexmap 2.3.0",
  "itoa",
  "ryu",
  "serde",
@@ -5693,14 +5690,15 @@ dependencies = [
 
 [[package]]
 name = "tempfile"
-version = "3.10.1"
+version = "3.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85b77fafb263dd9d05cbeac119526425676db3784113aa9295c88498cbf8bff1"
+checksum = "04cbcdd0c794ebb0d4cf35e88edd2f7d2c4c3e9a5a6dab322839b321c6a87a64"
 dependencies = [
  "cfg-if",
  "fastrand 2.1.0",
+ "once_cell",
  "rustix 0.38.34",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -5960,7 +5958,7 @@ version = "0.19.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
 dependencies = [
- "indexmap 2.2.6",
+ "indexmap 2.3.0",
  "toml_datetime",
  "winnow",
 ]
@@ -5971,7 +5969,7 @@ version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "396e4d48bbb2b7554c944bde63101b5ae446cff6ec4a24227428f15eb72ef338"
 dependencies = [
- "indexmap 2.2.6",
+ "indexmap 2.3.0",
  "toml_datetime",
  "winnow",
 ]
@@ -6539,11 +6537,11 @@ checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
 [[package]]
 name = "winapi-util"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d4cc384e1e73b93bafa6fb4f1df8c41695c8a91cf9c4c64358067d15a7b6c6b"
+checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
 dependencies = [
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -6579,6 +6577,15 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.59.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets 0.52.6",
+]
+
 [[package]]
 name = "windows-targets"
 version = "0.48.5"
diff --git a/Cargo.toml b/Cargo.toml
index ac01214..4ac688e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ async-trait = "0.1"
 clap = { version = "4", features = ["derive", "env"] }
 console-subscriber = "0.2"
 ceramic-core = { git = "https://github.com/ceramicnetwork/rust-ceramic.git", branch = "main" }
-iroh-car = { git = "https://github.com/ceramicnetwork/rust-ceramic.git", branch = "main" }
+ceramic-car = { git = "https://github.com/ceramicnetwork/rust-ceramic.git", branch = "main" }
 env_logger = "0.10.0"
 expect-patch = { path = "./expect-patch/" }
 hex = "0.4.3"
diff --git a/runner/Cargo.toml b/runner/Cargo.toml
index 4580595..075c130 100644
--- a/runner/Cargo.toml
+++ b/runner/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 anyhow.workspace = true
 async-trait.workspace = true
 ceramic-core.workspace = true
-iroh-car.workspace = true
+ceramic-car.workspace = true
 ceramic-http-client = { git = "https://github.com/3box/ceramic-http-client-rs.git", branch = "main", default-features = false }
 clap.workspace = true
 did-method-key = "0.2"
diff --git a/runner/src/scenario/ceramic/anchor.rs b/runner/src/scenario/ceramic/anchor.rs
index ead72b1..e21a6f6 100644
--- a/runner/src/scenario/ceramic/anchor.rs
+++ b/runner/src/scenario/ceramic/anchor.rs
@@ -7,7 +7,7 @@ use ceramic_http_client::{
 use chrono::Utc;
 use goose::prelude::*;
 use ipld_core::ipld;
-use iroh_car::{CarHeader, CarWriter};
+use ceramic_car::{CarHeader, CarWriter};
 use multihash_codetable::{Code, MultihashDigest};
 
 use redis::{aio::MultiplexedConnection, AsyncCommands};
diff --git a/runner/src/scenario/util.rs b/runner/src/scenario/util.rs
index 21fee1a..ae70834 100644
--- a/runner/src/scenario/util.rs
+++ b/runner/src/scenario/util.rs
@@ -93,7 +93,7 @@ pub(crate) async fn random_init_event_car(
         .with_unique(unique.to_vec())
         .with_data(ipld_core::ipld!({"a": 1, "b": 2}))
         .build();
-    let car = res.encode_car().await?;
+    let car = res.encode_car()?;
     Ok(MultiBase32String::from(car))
 }