diff --git a/utils/gen-docker-image.sh b/utils/gen-docker-image.sh
index aeb598b4..e4ceecda 100755
--- a/utils/gen-docker-image.sh
+++ b/utils/gen-docker-image.sh
@@ -8,10 +8,10 @@ VER=$(grep -Po '(?<=^__version__ = ).*' $thisd/../heudiconv/info.py | sed 's/"//
 image="kaczmarj/neurodocker:0.9.1"
 
 docker run --rm $image generate docker \
-    --base-image neurodebian:bullseye \
+    --base-image neurodebian:bookworm \
     --pkg-manager apt \
     --dcm2niix \
-        version=v1.0.20220720 \
+        version=v1.0.20240202 \
         method=source \
         cmake_opts="-DZLIB_IMPLEMENTATION=Cloudflare -DUSE_JPEGLS=ON -DUSE_OPENJPEG=ON" \
     --install \