diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 964993a..81c24f5 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -44,7 +44,7 @@ RUN apt-get update \
 
 # Full EigenScript source at the pinned tag; build the gfx variant (the
 # binary hard-links to src/eigenscript, which finds lib/ next to it).
-ARG EIGS_REF=v0.37.0
+ARG EIGS_REF=v0.38.0
 RUN git clone --depth 1 --branch "${EIGS_REF}" \
         https://github.com/InauguralSystems/EigenScript.git /opt/eigenscript \
  && make -C /opt/eigenscript gfx CC=gcc