diff --git a/.changeset/separate-development-images.md b/.changeset/separate-development-images.md
new file mode 100644
index 0000000..bab95f1
--- /dev/null
+++ b/.changeset/separate-development-images.md
@@ -0,0 +1,6 @@
+---
+'@hledger-reports/web': patch
+'@hledger-reports/worker': patch
+---
+
+Use separate development image names so Docker tasks cannot accidentally start production servers in the development setup.
diff --git a/apps/web/docker-compose.dev.yml b/apps/web/docker-compose.dev.yml
index b48e571..852bc62 100644
--- a/apps/web/docker-compose.dev.yml
+++ b/apps/web/docker-compose.dev.yml
@@ -1,8 +1,10 @@
 name: hledger-web-reports
 
 # Reuse the journal mount, shared data, and readiness wiring; change only development.
+# Distinct image names prevent reusing production images from the same Compose project.
 services:
   web:
+    image: '${COMPOSE_PROJECT_NAME:-hledger-web-reports}-web-dev'
     extends:
       file: docker-compose.yml
       service: web
@@ -33,6 +35,7 @@ services:
         ]
 
   worker:
+    image: '${COMPOSE_PROJECT_NAME:-hledger-web-reports}-worker-dev'
     extends:
       file: docker-compose.yml
       service: worker