diff --git a/.chloggen/adddotnetimage.yaml b/.chloggen/adddotnetimage.yaml
new file mode 100644
index 0000000000..e552b39448
--- /dev/null
+++ b/.chloggen/adddotnetimage.yaml
@@ -0,0 +1,12 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+# The name of the component, or a single word describing the area of concern, (e.g. agent, clusterReceiver, gateway, operator, chart, other)
+component: operator
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Use the Splunk Distribution of OpenTelemetry .NET docker image by default when auto-instrumenting with the operator
+# One or more tracking issues related to the change
+issues: [1098]
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
diff --git a/.github/workflows/update_docker_images.yaml b/.github/workflows/update_docker_images.yaml
index 3f0ff5f7bb..caa4af950f 100644
--- a/.github/workflows/update_docker_images.yaml
+++ b/.github/workflows/update_docker_images.yaml
@@ -30,6 +30,10 @@ jobs:
             component: 'operator'
             yaml_file_path: 'helm-charts/splunk-otel-collector/values.yaml'
             yaml_value_path: '.operator.instrumentation.spec.nodejs'
+          - name: 'dotnet'
+            component: 'operator'
+            yaml_file_path: 'helm-charts/splunk-otel-collector/values.yaml'
+            yaml_value_path: '.operator.instrumentation.spec.dotnet'
           - name: 'fluentd-hec'
             component: 'agent'
             yaml_file_path: 'helm-charts/splunk-otel-collector/values.yaml'
diff --git a/examples/enable-operator-and-auto-instrumentation/rendered_manifests/operator/instrumentation.yaml b/examples/enable-operator-and-auto-instrumentation/rendered_manifests/operator/instrumentation.yaml
index 0bca8d3aa1..ad4fbf6077 100644
--- a/examples/enable-operator-and-auto-instrumentation/rendered_manifests/operator/instrumentation.yaml
+++ b/examples/enable-operator-and-auto-instrumentation/rendered_manifests/operator/instrumentation.yaml
@@ -35,10 +35,12 @@ spec:
       - name: OTEL_RESOURCE_ATTRIBUTES
         value: splunk.zc.method=autoinstrumentation-apache-httpd:1.0.3
   dotnet:
-    image: ghcr.io/open-telemetry/opentelemetry-operator/autoinstrumentation-dotnet:1.2.0
+    image: ghcr.io/signalfx/splunk-otel-dotnet/splunk-otel-dotnet:1.2.1
     env:
+      - name: OTEL_DOTNET_AUTO_PLUGINS
+        value: "Splunk.OpenTelemetry.AutoInstrumentation.Plugin, Splunk.OpenTelemetry.AutoInstrumentation"
       - name: OTEL_RESOURCE_ATTRIBUTES
-        value: splunk.zc.method=autoinstrumentation-dotnet:1.2.0
+        value: splunk.zc.method=splunk-otel-dotnet:1.2.1
       # dotnet auto-instrumentation uses http/proto by default, so data must be sent to 4318 instead of 4317.
       # See: https://github.com/open-telemetry/opentelemetry-operator#opentelemetry-auto-instrumentation-injection
       - name: OTEL_EXPORTER_OTLP_ENDPOINT
diff --git a/helm-charts/splunk-otel-collector/values.yaml b/helm-charts/splunk-otel-collector/values.yaml
index 04a51b8fc8..264af91b23 100644
--- a/helm-charts/splunk-otel-collector/values.yaml
+++ b/helm-charts/splunk-otel-collector/values.yaml
@@ -1180,6 +1180,12 @@ operator:
       nodejs:
         repository: ghcr.io/signalfx/splunk-otel-js/splunk-otel-js
         tag: v2.6.1
+      dotnet:
+        repository: ghcr.io/signalfx/splunk-otel-dotnet/splunk-otel-dotnet
+        tag: v1.2.1
+        env:
+          - name: OTEL_DOTNET_AUTO_PLUGINS
+            value: Splunk.OpenTelemetry.AutoInstrumentation.Plugin, Splunk.OpenTelemetry.AutoInstrumentation
       go:
         repository: ghcr.io/open-telemetry/opentelemetry-operator/autoinstrumentation-go
         tag: v0.8.0-alpha
@@ -1189,9 +1195,6 @@ operator:
       python:
         repository: ghcr.io/open-telemetry/opentelemetry-operator/autoinstrumentation-python
         tag: 0.41b0
-      dotnet:
-        repository: ghcr.io/open-telemetry/opentelemetry-operator/autoinstrumentation-dotnet
-        tag: 1.2.0
       nginx:
         repository: ghcr.io/open-telemetry/opentelemetry-operator/autoinstrumentation-nginx
         tag: 1.0.3