diff --git a/latest/docker/Dockerfile.treescape b/latest/docker/Dockerfile.treescape
index 4f0b435..10d18d2 100644
--- a/latest/docker/Dockerfile.treescape
+++ b/latest/docker/Dockerfile.treescape
@@ -12,7 +12,7 @@ USER root
 
 RUN git clone https://github.com/LLNL/treescape ${GIT_CLONE_STAGING_DIR}/treescape && \
     cd ${GIT_CLONE_STAGING_DIR}/treescape && \
-    git checkout main-2026-04-14
+    git checkout main-2026-04-15
 
 RUN . /opt/global_py_venv/bin/activate && \
     cd ${GIT_CLONE_STAGING_DIR}/treescape && \