diff --git a/README.md b/README.md
index 60c2db0..be2b7b6 100644
--- a/README.md
+++ b/README.md
@@ -316,6 +316,14 @@ values which are defined [here](https://github.com/grafana/helm-charts/tree/main
 | alloy.alloy.configMap.key | string | `"config.river"` |  |
 | alloy.alloy.configMap.name | string | `"collector-config"` |  |
 | alloy.alloy.extraArgs[0] | string | `"--disable-reporting=true"` |  |
+| alloy.alloy.extraPorts[0].name | string | `"otlp-grpc"` |  |
+| alloy.alloy.extraPorts[0].port | int | `4317` |  |
+| alloy.alloy.extraPorts[0].protocol | string | `"TCP"` |  |
+| alloy.alloy.extraPorts[0].targetPort | int | `4317` |  |
+| alloy.alloy.extraPorts[1].name | string | `"otlp-http"` |  |
+| alloy.alloy.extraPorts[1].port | int | `4318` |  |
+| alloy.alloy.extraPorts[1].protocol | string | `"TCP"` |  |
+| alloy.alloy.extraPorts[1].targetPort | int | `4318` |  |
 | alloy.alloy.mounts.dockercontainers | bool | `true` |  |
 | alloy.alloy.mounts.varlog | bool | `true` |  |
 | alloy.commonRelabellings | string | `"rule {\n  source_labels = [\"__meta_kubernetes_namespace\"]\n  target_label  = \"namespace\"\n}\nrule {\n  source_labels = [\"__meta_kubernetes_pod_name\"]\n  target_label  = \"pod\"\n}\n// coalesce the following labels and pick the first value; we'll use this to define the \"job\" label\nrule {\n  source_labels  = [\"__meta_kubernetes_pod_label_app_kubernetes_io_component\", \"app\", \"__meta_kubernetes_pod_container_name\"]\n  separator      = \"/\"\n  target_label   = \"__meta_app\"\n  action         = \"replace\"\n  regex          = \"^/*([^/]+?)(?:/.*)?$\" // split by the delimiter if it exists, we only want the first one\n  replacement    = \"${1}\"\n}\nrule {\n  source_labels = [\"__meta_kubernetes_namespace\", \"__meta_kubernetes_pod_label_app_kubernetes_io_name\", \"__meta_app\"]\n  separator     = \"/\"\n  target_label  = \"job\"\n}\nrule {\n  source_labels = [\"__meta_kubernetes_pod_container_name\"]\n  target_label  = \"container\"\n}\nrule {\n  regex   = \"__meta_kubernetes_pod_label_(statefulset_kubernetes_io_pod_name|controller_revision_hash)\"\n  action  = \"labeldrop\"\n}\nrule {\n  regex   = \"pod_template_generation\"\n  action  = \"labeldrop\"\n}\nrule {\n  source_labels = [\"__meta_kubernetes_pod_phase\"]\n  regex = \"Pending|Succeeded|Failed|Completed\"\n  action = \"drop\"\n}\nrule {\n  source_labels = [\"__meta_kubernetes_pod_node_name\"]\n  action = \"replace\"\n  target_label = \"node\"\n}\nrule {\n  action = \"labelmap\"\n  regex = \"__meta_kubernetes_pod_annotation_prometheus_io_param_(.+)\"\n  replacement = \"__param_$1\"\n}"` |  |
diff --git a/coder-observability/values.yaml b/coder-observability/values.yaml
index 586d247..4c6e9a0 100644
--- a/coder-observability/values.yaml
+++ b/coder-observability/values.yaml
@@ -207,6 +207,17 @@ alloy:
     mounts:
       varlog: true
       dockercontainers: true
+    # Expose the OTLP receiver ports on the alloy container and on the alloy and
+    # alloy-cluster Services. Nothing listens on them until withOTLPReceiver is true.
+    extraPorts:
+      - name: otlp-grpc
+        port: 4317
+        targetPort: 4317
+        protocol: TCP
+      - name: otlp-http
+        port: 4318
+        targetPort: 4318
+        protocol: TCP
   controller:
     type: daemonset
     podAnnotations:
diff --git a/compiled/resources.yaml b/compiled/resources.yaml
index 5d5d0d7..4f20dc9 100644
--- a/compiled/resources.yaml
+++ b/compiled/resources.yaml
@@ -11455,6 +11455,14 @@ spec:
       port: 12345
       targetPort: 12345
       protocol: "TCP"
+    - name: otlp-grpc
+      port: 4317
+      targetPort: 4317
+      protocol: TCP
+    - name: otlp-http
+      port: 4318
+      targetPort: 4318
+      protocol: TCP
 ---
 # Source: coder-observability/charts/alloy/templates/service.yaml
 apiVersion: v1
@@ -11479,6 +11487,14 @@ spec:
       port: 12345
       targetPort: 12345
       protocol: "TCP"
+    - name: otlp-grpc
+      port: 4317
+      targetPort: 4317
+      protocol: TCP
+    - name: otlp-http
+      port: 4318
+      targetPort: 4318
+      protocol: TCP
 ---
 # Source: coder-observability/charts/grafana/templates/service.yaml
 apiVersion: v1
@@ -12106,6 +12122,12 @@ spec:
           ports:
             - containerPort: 12345
               name: http-metrics
+            - containerPort: 4317
+              name: otlp-grpc
+              protocol: TCP
+            - containerPort: 4318
+              name: otlp-http
+              protocol: TCP
           readinessProbe:
             httpGet:
               path: /-/ready