diff --git a/infra/local/dev.compose.yml b/infra/local/dev.compose.yml
index 5af93b8..99f2cf4 100644
--- a/infra/local/dev.compose.yml
+++ b/infra/local/dev.compose.yml
@@ -133,14 +133,19 @@ services:
   # OTLP ports (4317/4318) are NOT published from this service to
   # avoid colliding with the collector — the collector talks to
   # Jaeger on the internal Compose network.
+  #
+  # Image is Jaeger v2 (`jaegertracing/jaeger`, distinct from the v1
+  # `jaegertracing/all-in-one`). v2 is the rewrite built on top of
+  # OpenTelemetry Collector and is the actively-developed line. OTLP
+  # receivers are enabled by default (no COLLECTOR_OTLP_ENABLED env
+  # needed) and the UI ships a built-in Light/Dark/Auto theme
+  # selector — features the v1 image did not have.
   # ------------------------------------------------------------------
   jaeger:
-    image: jaegertracing/all-in-one:1.76.0
+    image: jaegertracing/jaeger:2.17.0
     container_name: apf-portal-jaeger
     restart: unless-stopped
     profiles: [observability]
-    environment:
-      COLLECTOR_OTLP_ENABLED: 'true'
     ports:
       - '${JAEGER_UI_PORT:-16686}:16686'
     networks: