diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index f304f684c..e0c1fda75 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -2,9 +2,9 @@ name: Pre-commit
 
 on:
   pull_request:
-    branches: [main, master]
+    branches: [main, master, "release/**"]
   push:
-    branches: [main, master]
+    branches: [main, master, "release/**"]
 
 jobs:
   pre-commit:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6cc1fd25c..9bcf79962 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -2,9 +2,9 @@ name: Tests
 
 on:
   pull_request:
-    branches: [main, master]
+    branches: [main, master, "release/**"]
   push:
-    branches: [main, master]
+    branches: [main, master, "release/**"]
 
 jobs:
   test:
diff --git a/src/inference_endpoint/evaluation/livecodebench/lcb_serve.dockerfile b/src/inference_endpoint/evaluation/livecodebench/lcb_serve.dockerfile
index 8105a6c21..83b1b79db 100644
--- a/src/inference_endpoint/evaluation/livecodebench/lcb_serve.dockerfile
+++ b/src/inference_endpoint/evaluation/livecodebench/lcb_serve.dockerfile
@@ -40,13 +40,18 @@ ENV PATH="/app/venv/bin:$PATH"
 
 WORKDIR /app
 
-# enroot/pyxis (no-Docker SLURM clusters) start every container through
-# `/bin/sh`; this distroless runtime has none, so the container fails with
-# "enroot-switchroot: failed to execute: /bin/sh: No such file or directory".
-# Add a static (musl) busybox as /bin/sh so the image also runs under pyxis;
-# `docker run` is unaffected. COPY-only — there is no shell here to RUN with.
-# busybox:*-musl is multi-arch, so the buildx --platform builds still resolve.
+# enroot/pyxis starts containers through /bin/sh (switchroot); nv-sflow's srun
+# operator wraps every task in `bash -c` (hardcoded in srun.py). This distroless
+# runtime base has neither, so add a static busybox as /bin/sh, then create
+# /bin/bash as a thin sh-wrapper via RUN (valid once /bin/sh exists above).
+# busybox:*-musl is multi-arch so buildx --platform builds still resolve.
+# NOTE: do NOT copy busybox as /bin/bash — busybox-musl omits the bash applet
+# and fails with "bash: applet not found" when invoked under that name.
 COPY --from=busybox:1.37.0-musl /bin/busybox /bin/sh
+COPY --chmod=755 <<'EOF' /bin/bash
+#!/bin/sh
+exec /bin/sh "$@"
+EOF
 
 COPY --from=build-stage --chmod=0555 /app/venv /app/venv
 COPY --from=build-stage --chmod=0555 /opt/LiveCodeBench_Datasets /opt/LiveCodeBench_Datasets
@@ -56,7 +61,7 @@ COPY generate.py /app/lib/generate.py
 COPY _server.py /app/server.py
 
 # Make lcb_serve.py available as a module
-ENV PYTHONPATH="/app:${PYTHONPATH}"
+ENV PYTHONPATH="/app"
 
 # Launch the WebSocket server with long-running connection support
 # Default port 13835