diff --git a/2026-ISC/docker/Dockerfile.thicket b/2026-ISC/docker/Dockerfile.thicket
index fd4cd28..3be6bbb 100644
--- a/2026-ISC/docker/Dockerfile.thicket
+++ b/2026-ISC/docker/Dockerfile.thicket
@@ -11,7 +11,7 @@ FROM ghcr.io/llnl/caliper:isc-2026
 USER root
 
 RUN . /opt/global_py_venv/bin/activate && \
-    python3 -m pip install llnl-hatchet==2024.1.3 && \
+    python3 -m pip install llnl-hatchet==2025.2.0 && \
     python3 -m pip install "llnl-thicket[plotting] @ git+https://github.com/LLNL/thicket.git@develop-2024-11-02"
 # python3 -m pip install llnl-thicket[extrap,plotting]==2024.2.1