diff --git a/charts/nmrxiv-app/Chart.yaml b/charts/nmrxiv-app/Chart.yaml
index 3ad9b9f..28b2aec 100644
--- a/charts/nmrxiv-app/Chart.yaml
+++ b/charts/nmrxiv-app/Chart.yaml
@@ -18,7 +18,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.6.5
+version: 0.6.6
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
diff --git a/charts/nmrxiv-app/templates/configmap.yaml b/charts/nmrxiv-app/templates/configmap.yaml
index 24188ed..ccf9fd0 100644
--- a/charts/nmrxiv-app/templates/configmap.yaml
+++ b/charts/nmrxiv-app/templates/configmap.yaml
@@ -18,6 +18,7 @@ data:
   ORCID_ID_EMPLOYMENT_API: {{ .Values.webservices.orcidIdEmploymentApi }}
   ORCID_ID_PERSON_API: {{ .Values.webservices.orcidIdPersonApi }}
   CM_API: {{ .Values.webservices.cmApi }}
+  CROSSREF_API: {{ .Values.webservices.crossrefApi }}
   
 #Log Properties
   LOG_CHANNEL: {{ .Values.logProperties.logChannel }}
diff --git a/charts/nmrxiv-app/values.yaml b/charts/nmrxiv-app/values.yaml
index a18b68a..b2605a4 100644
--- a/charts/nmrxiv-app/values.yaml
+++ b/charts/nmrxiv-app/values.yaml
@@ -21,6 +21,7 @@ webservices:
   orcidIdEmploymentApi: https://pub.orcid.org/v3.0/{orcid_id}/employments
   orcidIdPersonApi: https://pub.orcid.org/v3.0/{orcid_id}/person
   cmApi: https://api.naturalproducts.net/latest/
+  crossrefApi: https://api.crossref.org/works/
 
 logProperties:
   logChannel: stack