diff --git a/.env b/.env
index 46fb6637e2..74ae9122e9 100644
--- a/.env
+++ b/.env
@@ -3,6 +3,7 @@
 # Images
 IMAGE_VERSION=1.6.0
 IMAGE_NAME=ghcr.io/open-telemetry/demo
+TRACETEST_IMAGE_VERSION=v0.14.5
 
 # Demo Platform
 ENV_PLATFORM=local
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e28f266221..9ee4b2868e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ release.
 
 ## Unreleased
 
+* add env var for pinning trace-based test tool version
+  ([#1239](https://github.com/open-telemetry/opentelemetry-demo/pull/1239))
 * update PHP quoteservice to use 1.0.0
   ([#1236](https://github.com/open-telemetry/opentelemetry-demo/pull/1236))
 
diff --git a/Makefile b/Makefile
index d6a662d491..e9340278b5 100644
--- a/Makefile
+++ b/Makefile
@@ -137,6 +137,19 @@ start-minimal:
 	@echo "Go to http://localhost:8080/grafana/ for the Grafana UI."
 	@echo "Go to http://localhost:8080/loadgen/ for the Load Generator UI."
 
+# Observabilty-Driven Development (ODD)
+.PHONY: start-odd
+start-odd:
+	docker compose --profile odd up --force-recreate --remove-orphans --detach
+	@echo ""
+	@echo "OpenTelemetry Demo is running."
+	@echo "Go to http://localhost:8080 for the demo UI."
+	@echo "Go to http://localhost:8080/jaeger/ui for the Jaeger UI."
+	@echo "Go to http://localhost:8080/grafana/ for the Grafana UI."
+	@echo "Go to http://localhost:8080/loadgen/ for the Load Generator UI."
+	@echo "Go to http://localhost:8080/feature/ for the Feature Flag UI."
+	@echo "Go to http://localhost:11633/ for the Tracetest Web UI."
+
 .PHONY: stop
 stop:
 	docker compose down --remove-orphans --volumes
diff --git a/docker-compose.yml b/docker-compose.yml
index b191d05a9c..084852716e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -832,11 +832,12 @@ services:
         condition: service_started
 
   tracetest-server:
-    image: kubeshop/tracetest:v0.14.5
+    image: kubeshop/tracetest:${TRACETEST_IMAGE_VERSION}
     platform: linux/amd64
     container_name: tracetest-server
     profiles:
       - tests
+      - odd          # Observabilty-Driven Development (ODD)
     volumes:
       - type: bind
         source: ./test/tracetesting/tracetest-config.yaml
@@ -865,6 +866,7 @@ services:
     container_name: tracetest-postgres
     profiles:
       - tests
+      - odd          # Observabilty-Driven Development (ODD)
     environment:
       POSTGRES_PASSWORD: postgres
       POSTGRES_USER: postgres
diff --git a/test/tracetesting/Dockerfile b/test/tracetesting/Dockerfile
index 242c995f42..392f3d986c 100644
--- a/test/tracetesting/Dockerfile
+++ b/test/tracetesting/Dockerfile
@@ -7,7 +7,7 @@ FROM alpine
 WORKDIR /app
 
 RUN apk --update add bash jq curl
-RUN curl -L https://raw.githubusercontent.com/kubeshop/tracetest/main/install-cli.sh | bash -s -- v0.13.10
+RUN curl -L https://raw.githubusercontent.com/kubeshop/tracetest/main/install-cli.sh | bash -s -- ${TRACETEST_IMAGE_VERSION}
 
 WORKDIR /app/test/tracetesting