diff --git a/Cargo.lock b/Cargo.lock
index b6bb2fa7..dad3dd79 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4146,9 +4146,9 @@ dependencies = [
 
 [[package]]
 name = "leann-core"
-version = "0.1.4"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b1796286a9aac457097a69a5e1a0291bec242e9a054a6970c4956d61e4c2a01"
+checksum = "85ae13948ed432a4a7f2965f9f2b007866539cc331b4652ff138907098ea96ed"
 dependencies = [
  "anyhow",
  "libc",
diff --git a/docker/gce/vllm/setup-dev.sh b/docker/gce/vllm/setup-dev.sh
index 742b9feb..5be2bacc 100644
--- a/docker/gce/vllm/setup-dev.sh
+++ b/docker/gce/vllm/setup-dev.sh
@@ -154,6 +154,7 @@ declare -x GCS_BUCKET
 declare -x RUN_ID
 declare -x MODEL
 declare -x OPENAI_API_BASE=http://localhost:8000/v1
+declare -x RUST_BACKTRACE=1
 
 cd $HOME
 TESTS_DIR=$HOME/spnl/docker/gce/vllm/test.d
diff --git a/spnl/Cargo.toml b/spnl/Cargo.toml
index a8a35b0d..9df8ec0a 100644
--- a/spnl/Cargo.toml
+++ b/spnl/Cargo.toml
@@ -66,7 +66,7 @@ tokio = { version = "1.44.1", features = ["io-std", "io-util", "signal"], option
 tokio-stream = { version = "0.1.18", features = ["net"], optional = true }
 tokio-util = { version = "0.7.16", optional = true }
 anyhow = { version = "1.0.98" }
-leann-core = { version = "0.1.4", optional = true, default-features = false, features = ["parallel", "bm25", "pdf"] }
+leann-core = { version = "0.1.7", optional = true, default-features = false, features = ["parallel", "bm25", "pdf"] }
 ndarray = { version = "0.17", optional = true }
 either = { version = "1.13", optional = true }
 indexmap = { version = "2.7.0", optional = true }