diff --git a/.github/workflows/container.yml b/.github/workflows/container.yml
index 8401d2a..459686d 100644
--- a/.github/workflows/container.yml
+++ b/.github/workflows/container.yml
@@ -25,9 +25,9 @@ jobs:
         with:
           file: ./bulk_loader/Dockerfile
           push: true
-          tags: ghcr.io/dathere/ckan_geoconnex_bulk_runner:latest
+          tags: ghcr.io/dathere/ckan_geoconnex_bulk_runner:${{ matrix.namespace }}
           cache-from: type=gha,scope=ckan_geoconnex_bulk_runner
           platforms: linux/amd64
           cache-to: type=gha,mode=max,scope=ckan_geoconnex_bulk_runner
-        env:
-          NAMESPACE: ${{ matrix.namespace }}
+          build-args: |
+            NAMESPACE=${{ matrix.namespace }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e732653..39b972d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,10 +24,10 @@ jobs:
       - name: Run generate_release crate and upload JSONL file
         run: |
           cd ${{github.workspace}}
-          cargo run -p generate_release --release --verbose > ckan-geoconnex-web-resources-${{ matrix.namespace }}.jsonl
-          gh release upload ${{github.event.release.tag_name}} ckan-geoconnex-web-resources-${{ matrix.namespace }}.jsonl
+          cargo run -p generate_release --release --verbose > ${{ matrix.ckan_instance.name }}.jsonl
+          gh release upload ${{github.event.release.tag_name}} ${{ matrix.ckan_instance.name }}.jsonl
         env:
           GITHUB_TOKEN: ${{ github.TOKEN }}
-          NAMESPACE: ${{ matrix.namespace }}
+          NAMESPACE: ${{ matrix.ckan_instance.name }}
           INSTANCE_URL: ${{ matrix.ckan_instance.url }}
           API_TOKEN: ${{ secrets[matrix.ckan_instance.token] }}
diff --git a/bulk_loader/Dockerfile b/bulk_loader/Dockerfile
index 87aa04f..ebe410d 100644
--- a/bulk_loader/Dockerfile
+++ b/bulk_loader/Dockerfile
@@ -2,6 +2,8 @@ FROM rust:1.96 AS builder
 WORKDIR /app
 RUN rustup set profile minimal
 COPY . .
+ARG NAMESPACE
+ENV NAMESPACE=$NAMESPACE
 RUN cargo build -p bulk_loader --release
 
 FROM ubuntu:latest
diff --git a/bulk_loader/src/main.rs b/bulk_loader/src/main.rs
index 2073401..d36133f 100644
--- a/bulk_loader/src/main.rs
+++ b/bulk_loader/src/main.rs
@@ -6,7 +6,7 @@ async fn main() -> Result<()> {
     let namespace = std::env!("NAMESPACE");
     // Get latest release data which is organized as a single JSONL file
     // at https://github.com/dathere/ckan_geoconnex_bulk_runner/releases/latest
-    let body = reqwest::get(format!("https://github.com/dathere/ckan_geoconnex_bulk_runner/releases/latest/download/ckan-geoconnex-web-resources-{namespace}.jsonl"))
+    let body = reqwest::get(format!("https://github.com/dathere/ckan_geoconnex_bulk_runner/releases/latest/download/{namespace}.jsonl"))
         .await?
         .text()
         .await?;