diff --git a/Cargo.lock b/Cargo.lock
index 4d45a8e..a9008bb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,12 +8,6 @@ version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "224afbd727c3d6e4b90103ece64b8d1b67fbb1973b1046c2281eed3f3803f800"
 
-[[package]]
-name = "autocfg"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
-
 [[package]]
 name = "base-x"
 version = "0.2.11"
@@ -22,9 +16,9 @@ checksum = "4cbbc9d0964165b47557570cce6c952866c2678457aca742aafc9fb771d30270"
 
 [[package]]
 name = "bindgen"
-version = "0.64.0"
+version = "0.66.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4243e6031260db77ede97ad86c27e501d646a27ab57b59a574f725d98ab1fb4"
+checksum = "f2b84e06fc203107bfbad243f4aba2af864eb7db3b1cf46ea0a023b0b433d2a7"
 dependencies = [
  "bitflags",
  "cexpr",
@@ -33,26 +27,21 @@ dependencies = [
  "lazycell",
  "log",
  "peeking_take_while",
+ "prettyplease",
  "proc-macro2",
  "quote",
  "regex",
  "rustc-hash",
  "shlex",
- "syn",
+ "syn 2.0.28",
  "which",
 ]
 
 [[package]]
 name = "bitflags"
-version = "1.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
-
-[[package]]
-name = "bytes"
-version = "1.4.0"
+version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
+checksum = "630be753d4e58660abd17930c71b647fe46c27ea6b63cc59e1e3851406972e42"
 
 [[package]]
 name = "cbor4ii"
@@ -60,12 +49,6 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b544cf8c89359205f4f990d0e6f3828db42df85b5dac95d09157a250eb0749c4"
 
-[[package]]
-name = "cc"
-version = "1.0.79"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
-
 [[package]]
 name = "cexpr"
 version = "0.6.0"
@@ -152,7 +135,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a5bbed42daaa95e780b60a50546aa345b8413a1e46f9a40a12907d3598f038db"
 dependencies = [
  "data-encoding",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -161,42 +144,6 @@ version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
 
-[[package]]
-name = "errno"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"
-dependencies = [
- "errno-dragonfly",
- "libc",
- "winapi",
-]
-
-[[package]]
-name = "errno-dragonfly"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
-dependencies = [
- "cc",
- "libc",
-]
-
-[[package]]
-name = "fastrand"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
-dependencies = [
- "instant",
-]
-
-[[package]]
-name = "fixedbitset"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
-
 [[package]]
 name = "form_urlencoded"
 version = "1.1.0"
@@ -212,62 +159,12 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
 
-[[package]]
-name = "hashbrown"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
-
-[[package]]
-name = "heck"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
-
 [[package]]
 name = "hex"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
-[[package]]
-name = "indexmap"
-version = "1.9.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
-dependencies = [
- "autocfg",
- "hashbrown",
-]
-
-[[package]]
-name = "instant"
-version = "0.1.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "io-lifetimes"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1abeb7a0dd0f8181267ff8adc397075586500b81b28a73e8a0208b00fc170fb3"
-dependencies = [
- "libc",
- "windows-sys 0.45.0",
-]
-
-[[package]]
-name = "itertools"
-version = "0.10.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -296,12 +193,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "linux-raw-sys"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
-
 [[package]]
 name = "log"
 version = "0.4.17"
@@ -358,15 +249,9 @@ dependencies = [
  "unsigned-varint",
 ]
 
-[[package]]
-name = "multimap"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
-
 [[package]]
 name = "nginx-car-range"
-version = "0.3.0"
+version = "0.6.0"
 dependencies = [
  "anyhow",
  "bindgen",
@@ -375,8 +260,6 @@ dependencies = [
  "form_urlencoded",
  "hex",
  "num_enum",
- "prost",
- "prost-build",
  "serde",
  "serde_ipld_dagcbor",
 ]
@@ -408,7 +291,7 @@ checksum = "dcbff9bc912032c62bf65ef1d5aea88983b420f4f839db1e9b0c281a25c9c799"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -429,107 +312,34 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
 
-[[package]]
-name = "petgraph"
-version = "0.6.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4dd7d28ee937e54fe3080c91faa1c3a46c06de6252988a7f4592ba2310ef22a4"
-dependencies = [
- "fixedbitset",
- "indexmap",
-]
-
 [[package]]
 name = "prettyplease"
-version = "0.1.23"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e97e3215779627f01ee256d2fad52f3d95e8e1c11e9fc6fd08f7cd455d5d5c78"
+checksum = "6c64d9ba0963cdcea2e1b2230fbae2bab30eb25a174be395c41e764bfb65dd62"
 dependencies = [
  "proc-macro2",
- "syn",
+ "syn 2.0.28",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.51"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d727cae5b39d21da60fa540906919ad737832fe0b1c165da3a34d6548c849d6"
+checksum = "18fb31db3f9bddb2ea821cde30a9f70117e3f119938b5ee630b7403aa6e2ead9"
 dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "prost"
-version = "0.11.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e48e50df39172a3e7eb17e14642445da64996989bc212b583015435d39a58537"
-dependencies = [
- "bytes",
- "prost-derive",
-]
-
-[[package]]
-name = "prost-build"
-version = "0.11.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c828f93f5ca4826f97fedcbd3f9a536c16b12cff3dbbb4a007f932bbad95b12"
-dependencies = [
- "bytes",
- "heck",
- "itertools",
- "lazy_static",
- "log",
- "multimap",
- "petgraph",
- "prettyplease",
- "prost",
- "prost-types",
- "regex",
- "syn",
- "tempfile",
- "which",
-]
-
-[[package]]
-name = "prost-derive"
-version = "0.11.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ea9b0f8cbe5e15a8a042d030bd96668db28ecb567ec37d691971ff5731d2b1b"
-dependencies = [
- "anyhow",
- "itertools",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "prost-types"
-version = "0.11.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "379119666929a1afd7a043aa6cf96fa67a6dce9af60c88095a4686dbce4c9c88"
-dependencies = [
- "prost",
-]
-
 [[package]]
 name = "quote"
-version = "1.0.23"
+version = "1.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
+checksum = "50f3b39ccfb720540debaa0164757101c08ecb8d326b15358ce76a62c7e85965"
 dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.2.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "regex"
 version = "1.7.1"
@@ -551,20 +361,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
-[[package]]
-name = "rustix"
-version = "0.36.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f43abb88211988493c1abb44a70efa56ff0ce98f233b7b276146f1f3f7ba9644"
-dependencies = [
- "bitflags",
- "errno",
- "io-lifetimes",
- "libc",
- "linux-raw-sys",
- "windows-sys 0.45.0",
-]
-
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -606,7 +402,7 @@ checksum = "d7e29c4601e36bcec74a223228dce795f4cd3616341a4af93520ca1a837c087d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -639,16 +435,14 @@ dependencies = [
 ]
 
 [[package]]
-name = "tempfile"
-version = "3.4.0"
+name = "syn"
+version = "2.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af18f7ae1acd354b992402e9ec5864359d693cd8a79dcbef59f76891701c1e95"
+checksum = "04361975b3f5e348b2189d8dc55bc942f278b2d482a6a0365de5bdd62d351567"
 dependencies = [
- "cfg-if",
- "fastrand",
- "redox_syscall",
- "rustix",
- "windows-sys 0.42.0",
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -695,84 +489,3 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
-[[package]]
-name = "windows-sys"
-version = "0.42.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
-dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
-]
-
-[[package]]
-name = "windows-sys"
-version = "0.45.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
-dependencies = [
- "windows-targets",
-]
-
-[[package]]
-name = "windows-targets"
-version = "0.42.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e2522491fbfcd58cc84d47aeb2958948c4b8982e9a2d8a2a35bbaed431390e7"
-dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
-]
-
-[[package]]
-name = "windows_aarch64_gnullvm"
-version = "0.42.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c9864e83243fdec7fc9c5444389dcbbfd258f745e7853198f365e3c4968a608"
-
-[[package]]
-name = "windows_aarch64_msvc"
-version = "0.42.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c8b1b673ffc16c47a9ff48570a9d85e25d265735c503681332589af6253c6c7"
-
-[[package]]
-name = "windows_i686_gnu"
-version = "0.42.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de3887528ad530ba7bdbb1faa8275ec7a1155a45ffa57c37993960277145d640"
-
-[[package]]
-name = "windows_i686_msvc"
-version = "0.42.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf4d1122317eddd6ff351aa852118a2418ad4214e6613a50e0191f7004372605"
-
-[[package]]
-name = "windows_x86_64_gnu"
-version = "0.42.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1040f221285e17ebccbc2591ffdc2d44ee1f9186324dd3e84e99ac68d699c45"
-
-[[package]]
-name = "windows_x86_64_gnullvm"
-version = "0.42.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "628bfdf232daa22b0d64fdb62b09fcc36bb01f05a3939e20ab73aaf9470d0463"
-
-[[package]]
-name = "windows_x86_64_msvc"
-version = "0.42.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd"
diff --git a/Cargo.toml b/Cargo.toml
index 91b6768..b533c99 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,6 @@ serde_ipld_dagcbor = {version = "0.2.2", default-features = false }
 cid = { version = "0.10.1", default-features = false, features = ["serde-codec"] }
 serde = { version = "1.0", default-features = false, features = ["derive", "alloc"] }
 anyhow = { version = "1.0.69", default-features = false }
-prost = { version = "0.11", default-features = false, features = ["prost-derive"] }
 num_enum = { version = "0.5.11", default-features = false }
 core2 = { version = "0.4", default-features = false }
 
@@ -23,8 +22,7 @@ core2 = { version = "0.4", default-features = false }
 hex = "0.4.3"
 
 [build-dependencies]
-prost-build = "0.11.1"
-bindgen = "0.64"
+bindgen = "0.66"
 
 
 # help debugging
diff --git a/Dockerfile b/Dockerfile
index 14ad6af..dfcd244 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,8 @@ RUN curl -LO https://github.com/ipld/go-car/releases/download/v2.8.0/go-car_2.8.
 
 # download CAR fixture
 RUN curl https://ipfs.io/ipfs/bafybeifpz6onienrgwvb3mw5rg7piq5jh63ystjn7s5wk6ttezy2gy5xwu/Mexico.JPG?format=car > /usr/local/nginx/html/midfixture.car \
-  && curl https://saturn.ms/ipfs/QmafUYju2Ab4ETi5HJG1cqjmnjs2xw9PUuBKzU7Hi3zvXU/MC_TheSource.mp4?format=car > /usr/local/nginx/html/bigfixture.car
+  && curl https://saturn.ms/ipfs/QmafUYju2Ab4ETi5HJG1cqjmnjs2xw9PUuBKzU7Hi3zvXU/MC_TheSource.mp4?format=car > /usr/local/nginx/html/bigfixture.car \
+  && curl https://saturn.ms/ipfs/bafybeieyd7lbyfjexjaqb6wvryaixjcmgnpljaca5umfwkbit72ozaotem?format=car > /usr/local/nginx/html/fixture3.car
 
 # build the plugin
 COPY . .
diff --git a/build.rs b/build.rs
index f38f269..9b9c314 100644
--- a/build.rs
+++ b/build.rs
@@ -3,11 +3,6 @@ use std::path::PathBuf;
 use std::process::Command;
 
 fn main() {
-    prost_build::Config::new()
-        .bytes([".unixfs_pb.Data", ".merkledag_pb.PBNode.Data"])
-        .compile_protos(&["src/unixfs.proto", "src/merkledag.proto"], &["src"])
-        .expect("unable to generate unixfs protobufs");
-
     // Path to the nginx repo in the local file system
     let nginx_dir = env::var("NGINX_DIR").unwrap_or(String::from("../nginx"));
 
diff --git a/ci.sh b/ci.sh
index 423c5f6..7df9b31 100644
--- a/ci.sh
+++ b/ci.sh
@@ -26,4 +26,12 @@ test_range_request "1048576:2097152" "midfixture"
 
 test_range_request "555555:999999" "bigfixture"
 
+test_range_request "0:2097151" "fixture3"
+
+curl -o partial.car -H "Accept: application/vnd.ipld.car" "http://127.0.0.1:8080/fixture3.car"
+/usr/local/bin/car ls -v partial.car
+
+# try a cache hit
+test_range_request "1048576:2097151" "fixture3"
+
 cat /var/log/nginx/error.log
diff --git a/fixture3.car b/fixture3.car
new file mode 100644
index 0000000..c465cab
--- /dev/null
+++ b/fixture3.car
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:462dec2f7c18490f762dd3eaa22dd6fb8eae21f0e17ea48a6354c524396fa976
+size 6133758
diff --git a/src/car_reader.rs b/src/car_reader.rs
index c879902..797b3a3 100644
--- a/src/car_reader.rs
+++ b/src/car_reader.rs
@@ -7,14 +7,6 @@ use serde::{Deserialize, Serialize};
 use std::marker::PhantomData;
 use std::ops::{Bound, Range, RangeBounds};
 
-mod unixfs_pb {
-    include!(concat!(env!("OUT_DIR"), "/unixfs_pb.rs"));
-}
-
-mod dag_pb {
-    include!(concat!(env!("OUT_DIR"), "/merkledag_pb.rs"));
-}
-
 fn lt_bound(bound: Bound<&u64>, val: u64) -> bool {
     match bound {
         Bound::Included(&b) => b >= val,
@@ -1624,4 +1616,49 @@ mod tests {
             }
         }
     }
+
+    #[test]
+    fn test_range_start_stall() {
+        use std::fs::File;
+        use std::io::{BufReader, Read};
+
+        let f = File::open("./fixture3.car").unwrap();
+        let mut reader = BufReader::new(f);
+
+        let mut car_data = vec![];
+        reader.read_to_end(&mut car_data).unwrap();
+
+        let mut reader = Framed::new(1048576..2097151);
+
+        let mut buf = vec![];
+
+        let parts = reader
+            .next(&car_data[..])
+            .expect("failed to read all bytes");
+        for (start, end) in parts {
+            println!("=> start {} end {}", start, end);
+            buf.extend_from_slice(&car_data[start..end]);
+        }
+
+        check_car(
+            &buf[..],
+            vec![
+                "bafybeieyd7lbyfjexjaqb6wvryaixjcmgnpljaca5umfwkbit72ozaotem"
+                    .parse()
+                    .unwrap(),
+                "bafkreiafwydontni6cnaaikpyukjnxcs6npacnzw33yzla2ovst63mmmzu"
+                    .parse()
+                    .unwrap(),
+                "bafkreiejzhxinfxxobf5drbzcpvyc7dpcapoki3x47p2oy4g2ysw2wqtma"
+                    .parse()
+                    .unwrap(),
+                "bafkreidxdztf4f5pimr2evnz36eskzmf35sa2vb3wea6fqyl5tipcxip74"
+                    .parse()
+                    .unwrap(),
+                "bafkreicqajwgsr5z2b4qprhy6c7fexrwmqtvaldcaaiswhcgrkcbmwexmu"
+                    .parse()
+                    .unwrap(),
+            ],
+        );
+    }
 }