diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index f07238b..bbd72dd 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -27,7 +27,7 @@ RUN apt-get update \
 # EIGS_REF is a tag/SHA (fetched directly, so it stays reproducible). Pinned to
 # v0.19.0 — the release that ships the flat-buffer tensors (shaped VAL_BUFFER,
 # #275) the neural policy's buffer path requires.
-ARG EIGS_REF=v0.30.0
+ARG EIGS_REF=v0.32.0
 RUN mkdir -p /opt/eigenscript && cd /opt/eigenscript && git init -q \
  && git remote add origin https://github.com/InauguralSystems/EigenScript.git \
  && git fetch -q --depth 1 origin "${EIGS_REF}" && git checkout -q FETCH_HEAD \
diff --git a/CLAUDE.md b/CLAUDE.md
index b7012bd..f0b9299 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -68,7 +68,7 @@ make gfx        # graphical binary for the playable game (dlopens SDL2 at run
   weights/obs as flat shaped buffers (`buffer of [r, c]`, shaped `VAL_BUFFER`
   #275), which land in v0.19.0. (Background music needs `audio_music_*` from
   0.18.0; the older `spawn`/`recv_timeout`/`audio_play_loop` niceties are
-  v0.13.0.) **CI and the devcontainer pin v0.26.0** (`.devcontainer/Dockerfile`
+  v0.13.0.) **CI and the devcontainer pin v0.32.0** (`.devcontainer/Dockerfile`
   `EIGS_REF`). The flat-buffer forward is ~7× faster than the old nested-list
   form and the trainer's backprop ~1.8×, both byte-identical; `models/policy.txt`
   stays format-compatible. Validated headless (regressions, obs-stacking,