diff --git a/sentry/Chart.yaml b/sentry/Chart.yaml
index e782ed415..4248125a2 100644
--- a/sentry/Chart.yaml
+++ b/sentry/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: sentry
 description: A Helm chart for Kubernetes
 type: application
-version: 20.12.0
+version: 20.12.1
 appVersion: 23.11.0
 dependencies:
   - name: memcached
diff --git a/sentry/templates/_helper.tpl b/sentry/templates/_helper.tpl
index d6b275b62..797c0df78 100644
--- a/sentry/templates/_helper.tpl
+++ b/sentry/templates/_helper.tpl
@@ -519,17 +519,17 @@ Common Sentry environment variables
   valueFrom:
     secretKeyRef:
       name: {{ .Values.slack.existingSecret }}
-      key: "client-id"
+      key: {{ default "client-id" .Values.slack.existingSecretClientId }}
 - name: SLACK_CLIENT_SECRET
   valueFrom:
     secretKeyRef:
       name: {{ .Values.slack.existingSecret }}
-      key: "client-secret"
+      key: {{ default "client-secret" .Values.slack.existingSecretClientSecret }}
 - name: SLACK_SIGNING_SECRET
   valueFrom:
     secretKeyRef:
       name: {{ .Values.slack.existingSecret }}
-      key: "signing-secret"
+      key: {{ default "signing-secret" .Values.slack.existingSecretSigningSecret }}
 {{- end }}
 {{- if and .Values.github.existingSecret }}
 - name: GITHUB_APP_PRIVATE_KEY