diff --git a/helm-chart/renku/templates/data-service/deployment.yaml b/helm-chart/renku/templates/data-service/deployment.yaml
index cb2d99dfb1..751d46c141 100644
--- a/helm-chart/renku/templates/data-service/deployment.yaml
+++ b/helm-chart/renku/templates/data-service/deployment.yaml
@@ -130,6 +130,8 @@ spec:
               value: {{ .Values.dataService.imageBuilders.enabled | quote }}
             - name: BUILD_OUTPUT_IMAGE_PREFIX
               value: {{ .Values.dataService.imageBuilders.outputImagePrefix | default "" | quote }}
+            - name: BUILD_OUTPUT_PRIVATE_IMAGE_PREFIX
+              value: {{ .Values.dataService.imageBuilders.outputPrivateImagePrefix | default "" | quote }}
             - name: BUILD_BUILDER_IMAGE
               value: {{ .Values.dataService.imageBuilders.builderImage | default "" | quote }}
             - name: BUILD_RUN_IMAGE
@@ -138,6 +140,10 @@ spec:
               value: {{ .Values.dataService.imageBuilders.strategyName | default "" | quote }}
             - name: BUILD_PUSH_SECRET_NAME
               value: {{ .Values.dataService.imageBuilders.pushSecretName | default "" | quote }}
+            - name: BUILD_PUSH_PRIVATE_SECRET_NAME
+              value: {{ .Values.dataService.imageBuilders.pushPrivateSecretName | default "" | quote }}
+            - name: BUILD_PULL_PRIVATE_SECRET_NAME
+              value: {{ .Values.dataService.imageBuilders.pullPrivateSecretName | default "" | quote }}
             - name: BUILD_RUN_RETENTION_AFTER_FAILED_SECONDS
               value: {{ .Values.dataService.imageBuilders.buildRunRetentionAfterFailedSeconds | default "" | quote }}
             - name: BUILD_RUN_RETENTION_AFTER_SUCCEEDED_SECONDS
diff --git a/helm-chart/renku/values.yaml b/helm-chart/renku/values.yaml
index e9f7a08ce5..c603854ff9 100644
--- a/helm-chart/renku/values.yaml
+++ b/helm-chart/renku/values.yaml
@@ -1237,6 +1237,8 @@ dataService:
     enabled: false
     ## The container image prefix for images built from code
     outputImagePrefix: harbor.dev.renku.ch/renku-build/
+    ## The container image prefix for images built from private code
+    outputPrivateImagePrefix: harbor.dev.renku.ch/renku-private-build/
     ## The builder image (see https://buildpacks.io/docs/for-platform-operators/concepts/builder/)
     builderImage: "ghcr.io/swissdatasciencecenter/renku-frontend-buildpacks/selector:0.4.0"
     ## The run image (see https://buildpacks.io/docs/for-platform-operators/concepts/base-images/)
@@ -1263,6 +1265,10 @@ dataService:
       #       value: arm64
     ## The name of the secret used to push images built from code.
     pushSecretName: renku-build-docker-secret
+    ## The name of the secret used to push images built from private code.
+    pushPrivateSecretName: renku-build-private-docker-secret
+    ## The name of the secret used to pull images built from private code.
+    pullPrivateSecretName: renku-pull-private-docker-secret
     ## The TTL for BuildRuns
     buildRunRetentionAfterFailedSeconds: 86400
     buildRunRetentionAfterSucceededSeconds: 86400