diff --git a/Dockerfile b/Dockerfile
index 2b6fcd1d..f3512468 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM quay.io/broadinstitute/viral-baseimage:0.2.3
+FROM quay.io/broadinstitute/viral-baseimage:0.2.4
 
 LABEL maintainer "viral-ngs@broadinstitute.org"
 
@@ -28,7 +28,7 @@ ENV \
 # Set it up so that this slow & heavy build layer is cached
 # unless the requirements* files or the install scripts actually change
 WORKDIR $INSTALL_PATH
-RUN conda create -n $CONDA_DEFAULT_ENV python=3.10
+RUN mamba create -n $CONDA_DEFAULT_ENV python=3.10
 RUN echo "source activate $CONDA_DEFAULT_ENV" > ~/.bashrc
 RUN hash -r
 COPY docker $VIRAL_NGS_PATH/docker/