diff --git a/servers/legion/k8s/neuron-technologies/dharma/deployment.yaml b/servers/legion/k8s/neuron-technologies/dharma/deployment.yaml
index 2209e88..25b6d01 100644
--- a/servers/legion/k8s/neuron-technologies/dharma/deployment.yaml
+++ b/servers/legion/k8s/neuron-technologies/dharma/deployment.yaml
@@ -25,8 +25,19 @@ spec:
           type: RuntimeDefault
       containers:
         - name: dharma
-          image: registry.neuralplatform.ai/neuron-technologies/dharma:latest
-          imagePullPolicy: Always
+          # Pinned to a content-addressable SHA tag instead of :latest so the
+          # deployed image is deterministic and rollback is `git revert`. The
+          # tag is produced by the dharma-el ci-prod.yaml workflow on every
+          # push to main: registry.neuralplatform.ai/neuron-technologies/
+          # dharma:<short-sha>.
+          #
+          # PINNED_BY_NEXT_BUILD is a deliberate placeholder. It will fail to
+          # pull (ImagePullBackOff) until a human replaces it with a real
+          # short SHA from a successful ci-prod run. That failure is the
+          # forcing function: the only way prod gets a new image is by
+          # opening a PR that names a real, built tag.
+          image: registry.neuralplatform.ai/neuron-technologies/dharma:PINNED_BY_NEXT_BUILD
+          imagePullPolicy: Always  # redundant once on SHA tags; remove in a follow-up
           ports:
             - name: http
               containerPort: 8765