diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1569cec..b5a9b58 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -46,7 +46,7 @@ jobs:
           fi
           echo "IMAGE=$CIUX_IMAGE_URL" >> "$GITHUB_OUTPUT"
           echo "PROMOTED_IMAGE=$CIUX_PROMOTED_IMAGE_URL" >> "$GITHUB_OUTPUT"
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: docker-artifact
           path: artifacts
@@ -60,7 +60,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
       - name: Download image
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: docker-artifact
           path: artifacts
@@ -91,7 +91,7 @@ jobs:
     needs: build
     steps:
       - name: Download image
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: docker-artifact
           path: artifacts
diff --git a/build.sh b/build.sh
index 740437f..681a809 100755
--- a/build.sh
+++ b/build.sh
@@ -49,7 +49,7 @@ ciux ignite $DIR
 . $CIUXCONFIG
 
 # Build image
-docker image build --tag "$CIUX_IMAGE_URL"
+docker image build --tag "$CIUX_IMAGE_URL" "$DIR"
 
 echo "Build successful"
 
diff --git a/chart/templates/configmap.yaml b/chart/templates/configmap.yaml
index 7605e00..e9627fb 100644
--- a/chart/templates/configmap.yaml
+++ b/chart/templates/configmap.yaml
@@ -32,12 +32,12 @@ data:
     DISPLAY_FIELD="objectId"
 
     # Number of alerts to send simultaneously per observations.
-    NALERTS_PER_OBS=3
+    NALERTS_PER_OBS=300
 
     # Number of observations to make. Note that the total
     # number of alerts will be NALERTS_PER_OBS * NOBSERVATIONS
     # Set it to -1 if you want all alerts to be sent.
-    NOBSERVATIONS=4
+    NOBSERVATIONS=-1
 
     # Time between 2 observations (second)
     TIME_INTERVAL=5
diff --git a/rootfs/fink/bin/download_datasim.sh b/rootfs/fink/bin/download_datasim.sh
index 91f6015..bc3b8f3 100755
--- a/rootfs/fink/bin/download_datasim.sh
+++ b/rootfs/fink/bin/download_datasim.sh
@@ -20,14 +20,14 @@
 
 set -euxo pipefail
 
-data_subpath="datasim/basic_alerts/local"
+data_subpath="datasim/basic_alerts/all_distribute_topics"
 datasim_path="/datasim"
 workdir="/tmp/fink-broker"
 
-git clone --single-branch -b "ztf_dataset_v1" -n --depth=1 --filter=tree:0 \
+git clone --single-branch -b "ztf_dataset_v2" -n --depth=1 --filter=tree:0 \
   https://github.com/astrolabsoftware/fink-broker.git "$workdir"
 git -C "$workdir" sparse-checkout set --no-cone "$data_subpath"
 git -C "$workdir" checkout
 
 echo "Download dataset to $datasim_path"
-mv "$workdir/$data_subpath"/* "$datasim_path"
\ No newline at end of file
+mv "$workdir/$data_subpath"/* "$datasim_path"