diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3c8cb41..8085a40 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,13 +18,13 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
 
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@4360b52568e2003a75bf9bc1d59f33a8e3fc893c # stable
         with:
           components: rustfmt, clippy
 
-      - uses: Swatinem/rust-cache@v2
+      - uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2
 
       - name: Format
         run: cargo fmt --check
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index d0d87f6..5aeb3af 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -28,11 +28,11 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
 
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@4360b52568e2003a75bf9bc1d59f33a8e3fc893c # stable
 
-      - uses: Swatinem/rust-cache@v2
+      - uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2
 
       - name: Are these versions already on crates.io?
         id: check
diff --git a/Cargo.lock b/Cargo.lock
index 6433a72..cb6814b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,7 +4,7 @@ version = 4
 
 [[package]]
 name = "agency-proxy"
-version = "0.1.7"
+version = "0.1.8"
 dependencies = [
  "agency-proxy-client",
  "agency-proxy-protocol",
@@ -25,7 +25,7 @@ dependencies = [
 
 [[package]]
 name = "agency-proxy-client"
-version = "0.1.7"
+version = "0.1.8"
 dependencies = [
  "agency-proxy-protocol",
  "endpoint-libs",
@@ -37,7 +37,7 @@ dependencies = [
 
 [[package]]
 name = "agency-proxy-protocol"
-version = "0.1.7"
+version = "0.1.8"
 dependencies = [
  "serde",
  "serde_json",
@@ -58,17 +58,6 @@ dependencies = [
  "uuid",
 ]
 
-[[package]]
-name = "ahash"
-version = "0.7.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "891477e0c6a8957309ee5c45a6368af3ae14bb510732d2684ffa19af310920f9"
-dependencies = [
- "getrandom 0.2.17",
- "once_cell",
- "version_check",
-]
-
 [[package]]
 name = "aho-corasick"
 version = "1.1.5"
@@ -617,30 +606,6 @@ dependencies = [
  "hybrid-array",
 ]
 
-[[package]]
-name = "borsh"
-version = "1.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a88b7ea17d208c4193f2c1e6de3c35fe71f98c96982d5ced308bdcc749ff6e1f"
-dependencies = [
- "borsh-derive",
- "bytes",
- "cfg_aliases",
-]
-
-[[package]]
-name = "borsh-derive"
-version = "1.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8f347189c62a579b8cd5f80714efa178f52e461dc2e6d701d264f5ff22e566c"
-dependencies = [
- "once_cell",
- "proc-macro-crate",
- "proc-macro2",
- "quote",
- "syn 2.0.119",
-]
-
 [[package]]
 name = "bs58"
 version = "0.5.1"
@@ -662,28 +627,6 @@ version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7575182f7272186991736b70173b0ea045398f984bf5ebbb3804736ce1330c9d"
 
-[[package]]
-name = "bytecheck"
-version = "0.6.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23cdc57ce23ac53c931e88a43d06d070a6fd142f2617be5855eb75efc9beb1c2"
-dependencies = [
- "bytecheck_derive",
- "ptr_meta",
- "simdutf8",
-]
-
-[[package]]
-name = "bytecheck_derive"
-version = "0.6.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3db406d29fbcd95542e92559bed4d8ad92636d1ca8b3b72ede10b4bcc010e659"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -720,9 +663,9 @@ checksum = "f079e83a288787bcd14a6aea84cee5c87a67c5a3e660c30f557a3d24761b3527"
 
 [[package]]
 name = "chacha20"
-version = "0.10.1"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d524456ba66e72eb8b115ff89e01e497f8e6d11d78b70b1aa13c0fbd97540a81"
+checksum = "65c35e4b699c7e15ccbe7ee35c005e4fc0a278d22238a2857e6ce2dadeda1b06"
 dependencies = [
  "cfg-if",
  "cpufeatures 0.3.0",
@@ -1127,9 +1070,9 @@ dependencies = [
 
 [[package]]
 name = "endpoint-libs"
-version = "2.1.5"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5608ed7999ec93039de772a217bfa8c52175b42b41de1d2c1a73e7189ef92cb7"
+checksum = "64708d7972a5c06112029ef04599061238abc55ba5e879a0e02dfc373d24df34"
 dependencies = [
  "alloy-primitives",
  "async-trait",
@@ -1157,7 +1100,6 @@ dependencies = [
  "opentelemetry_sdk",
  "parking_lot",
  "reqwest",
- "rust_decimal",
  "rustls",
  "serde",
  "serde_json",
@@ -1475,9 +1417,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.4.15"
+version = "0.4.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6cb093c84e8bd9b188d4c4a8cb6579fc016968d14c99882163cd3ff402a4f155"
+checksum = "ef8e5e5a340588f4452631496976cf8636d4a7ecf600239fdc27615d2530bc16"
 dependencies = [
  "atomic-waker",
  "bytes",
@@ -1497,9 +1439,6 @@ name = "hashbrown"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
-dependencies = [
- "ahash",
-]
 
 [[package]]
 name = "hashbrown"
@@ -2414,26 +2353,6 @@ dependencies = [
  "syn 2.0.119",
 ]
 
-[[package]]
-name = "ptr_meta"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0738ccf7ea06b608c10564b31debd4f5bc5e197fc8bfe088f68ae5ce81e7a4f1"
-dependencies = [
- "ptr_meta_derive",
-]
-
-[[package]]
-name = "ptr_meta_derive"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16b845dbfca988fa33db069c0e230574d15a3088f147a87b64c7589eb662c9ac"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "quinn"
 version = "0.11.11"
@@ -2666,15 +2585,6 @@ version = "0.8.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d6f6ff9a378485b298a5286656da665ba74413d36db0979633275d2e708145d4"
 
-[[package]]
-name = "rend"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71fe3824f5629716b1589be05dacd749f6aa084c87e00e016714a8cdfccc997c"
-dependencies = [
- "bytecheck",
-]
-
 [[package]]
 name = "reqwest"
 version = "0.12.28"
@@ -2742,35 +2652,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "rkyv"
-version = "0.7.46"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2297bf9c81a3f0dc96bc9521370b88f054168c29826a75e89c55ff196e7ed6a1"
-dependencies = [
- "bitvec",
- "bytecheck",
- "bytes",
- "hashbrown 0.12.3",
- "ptr_meta",
- "rend",
- "rkyv_derive",
- "seahash",
- "tinyvec",
- "uuid",
-]
-
-[[package]]
-name = "rkyv_derive"
-version = "0.7.46"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84d7b42d4b8d06048d3ac8db0eb31bcb942cbeb709f0b5f2b2ebde398d3038f5"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "rlp"
 version = "0.5.2"
@@ -2816,23 +2697,6 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "48fd7bd8a6377e15ad9d42a8ec25371b94ddc67abe7c8b9127bec79bebaaae18"
 
-[[package]]
-name = "rust_decimal"
-version = "1.42.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be2a24f50780bc85f09cc6ac299bdf1424302742d77221106859c9d8b102126a"
-dependencies = [
- "arrayvec",
- "borsh",
- "bytes",
- "num-traits",
- "rand 0.8.7",
- "rkyv",
- "serde",
- "serde_json",
- "wasm-bindgen",
-]
-
 [[package]]
 name = "rustc-hash"
 version = "2.1.3"
@@ -2954,12 +2818,6 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
-[[package]]
-name = "seahash"
-version = "4.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b"
-
 [[package]]
 name = "sec1"
 version = "0.7.3"
@@ -3180,12 +3038,6 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
-[[package]]
-name = "simdutf8"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3a9fe34e3e7a50316060351f37187a3f546bce95496156754b601a5fa71b76e"
-
 [[package]]
 name = "slab"
 version = "0.4.12"
@@ -3878,7 +3730,6 @@ dependencies = [
  "cfg-if",
  "once_cell",
  "rustversion",
- "serde",
  "wasm-bindgen-macro",
  "wasm-bindgen-shared",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 19572dd..a8513d4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ resolver = "3"
 members = ["crates/client", "crates/protocol", "crates/proxy"]
 
 [workspace.package]
-version = "0.1.7"
+version = "0.1.8"
 edition = "2024"
 license = "Apache-2.0"
 publish = true
@@ -11,11 +11,11 @@ homepage = "https://github.com/pathscale/agencyproxy"
 repository = "https://github.com/pathscale/agencyproxy"
 
 [workspace.dependencies]
-agency-proxy-protocol = { version = "0.1.7", path = "crates/protocol" }
-agency-proxy-client = { version = "0.1.7", path = "crates/client" }
+agency-proxy-protocol = { version = "^0.1.8", path = "crates/protocol" }
+agency-proxy-client = { version = "^0.1.8", path = "crates/client" }
 async-trait = "0.1"
 clap = { version = "4", features = ["derive"] }
-endpoint-libs = { version = "=2.1.5", default-features = false, features = ["framed-transport"] }
+endpoint-libs = { version = "^3", default-features = false, features = ["framed-transport"] }
 eyre = "0.6"
 futures = "0.3"
 serde = { version = "1", features = ["derive"] }
diff --git a/crates/client/src/lib.rs b/crates/client/src/lib.rs
index 56fb1bd..41d17b0 100644
--- a/crates/client/src/lib.rs
+++ b/crates/client/src/lib.rs
@@ -110,7 +110,7 @@ async fn drive<T, E>(
                         continue;
                     }
                 };
-                if let Err(error) = transport.send(WireMessage::Text(encoded)).await {
+                if let Err(error) = transport.send(WireMessage::Text(encoded.into())).await {
                     let detail = error.to_string();
                     let _ = request.response.send(Err(ClientError::Transport(detail.clone())));
                     break detail;
diff --git a/crates/proxy/src/lib.rs b/crates/proxy/src/lib.rs
index 27819ba..a8882f3 100644
--- a/crates/proxy/src/lib.rs
+++ b/crates/proxy/src/lib.rs
@@ -401,7 +401,7 @@ where
     E: std::error::Error,
 {
     transport
-        .send(WireMessage::Text(serde_json::to_string(frame)?))
+        .send(WireMessage::Text(serde_json::to_string(frame)?.into()))
         .await
         .map_err(|error| Error::Transport(error.to_string()))
 }
diff --git a/crates/proxy/tests/local_socket.rs b/crates/proxy/tests/local_socket.rs
index 93ac336..0ff9e36 100644
--- a/crates/proxy/tests/local_socket.rs
+++ b/crates/proxy/tests/local_socket.rs
@@ -243,10 +243,11 @@ async fn cancel_stops_an_uncooperative_provider_and_publishes_a_terminal_event()
 async fn draining_shutdown_rejects_new_runs_and_waits_for_the_active_run() {
     let dir = tempdir().expect("temp dir should exist");
     let binary = dir.path().join("slow-claude");
+    let release = dir.path().join("release-provider");
     std::fs::write(
         &binary,
         r#"#!/bin/sh
-sleep 1
+while [ ! -f "$AGENCY_PROXY_TEST_RELEASE" ]; do sleep 0.01; done
 printf '%s\n' '{"type":"result","subtype":"success","is_error":false,"result":"done","session_id":"proxy-session","usage":{"input_tokens":1,"output_tokens":1}}'
 "#,
     )
@@ -276,7 +277,10 @@ printf '%s\n' '{"type":"result","subtype":"success","is_error":false,"result":"d
         workspace_roots: vec![dir.path().to_string_lossy().into_owned()],
         resume_session_id: None,
         binary: Some(binary.to_string_lossy().into_owned()),
-        environment: BTreeMap::new(),
+        environment: BTreeMap::from([(
+            "AGENCY_PROXY_TEST_RELEASE".into(),
+            release.to_string_lossy().into_owned(),
+        )]),
         unchecked_args: Vec::new(),
         metadata: BTreeMap::new(),
     };
@@ -320,6 +324,7 @@ printf '%s\n' '{"type":"result","subtype":"success","is_error":false,"result":"d
         ),
         "draining closes admission before acknowledging"
     );
+    std::fs::write(&release, "release").expect("provider release should write");
     tokio::time::timeout(Duration::from_secs(2), task)
         .await
         .expect("server should stop after the run drains")
@@ -405,7 +410,9 @@ async fn commands_before_hello_are_rejected() {
     };
     transport
         .send(WireMessage::Text(
-            serde_json::to_string(&frame).expect("frame should encode"),
+            serde_json::to_string(&frame)
+                .expect("frame should encode")
+                .into(),
         ))
         .await
         .expect("frame should write");