diff --git a/docker/actions/Dockerfile.actions.noble b/docker/actions/Dockerfile.actions.noble
index e5e771bd03..c7bb433b39 100644
--- a/docker/actions/Dockerfile.actions.noble
+++ b/docker/actions/Dockerfile.actions.noble
@@ -35,4 +35,4 @@ RUN make manual
 RUN sudo make install
 
 # Python module 'assess' is required for some longtests
-RUN python3 -m pip install --break-system-packages assess
+RUN python3 -m pip install --break-system-packages "numpy<2" assess
diff --git a/docker/actions/Dockerfile.actions.noble-omp b/docker/actions/Dockerfile.actions.noble-omp
index ea3b2de01b..e7d9c48a01 100644
--- a/docker/actions/Dockerfile.actions.noble-omp
+++ b/docker/actions/Dockerfile.actions.noble-omp
@@ -34,4 +34,4 @@ RUN make fltools
 RUN make manual
 
 # Python module 'assess' is required for some longtests
-RUN python3 -m pip install --break-system-packages assess
+RUN python3 -m pip install --break-system-packages "numpy<2" assess