diff --git a/infrastructure/aws/lambda/Dockerfile b/infrastructure/aws/lambda/Dockerfile
index a3723e4..d9e765f 100644
--- a/infrastructure/aws/lambda/Dockerfile
+++ b/infrastructure/aws/lambda/Dockerfile
@@ -26,6 +26,9 @@ RUN find /asset -type d -a -name 'tests' -print0 | xargs -0 rm -rf
 RUN rm -rdf /asset/numpy/doc/ /asset/bin /asset/geos_license /asset/Misc
 RUN rm -rdf /asset/boto3*
 RUN rm -rdf /asset/botocore*
+RUN rm -rdf /asset/click*
+RUN rm -rdf /asset/pyyaml*
+RUN rm -rdf /asset/partd*
 
 COPY infrastructure/aws/lambda/handler.py /asset/handler.py
 
diff --git a/pyproject.toml b/pyproject.toml
index eaab1f2..fa36bb6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,6 +26,7 @@ classifiers = [
 dynamic = ["version"]
 dependencies = [
     "cftime",
+    "dask",
     "h5netcdf",
     "xarray",
     "rioxarray",