diff --git a/library/ix-dev/community/readarr/Chart.yaml b/library/ix-dev/community/readarr/Chart.yaml
index e9f57a6fd0..a4f7de5ef0 100644
--- a/library/ix-dev/community/readarr/Chart.yaml
+++ b/library/ix-dev/community/readarr/Chart.yaml
@@ -4,9 +4,9 @@ description: Readarr is an ebook and audiobook collection manager for Usenet and
 annotations:
   title: Readarr
 type: application
-version: 1.2.20
+version: 1.2.21
 apiVersion: v2
-appVersion: 0.3.27.2538
+appVersion: 0.3.28.2554
 kubeVersion: '>=1.16.0-0'
 maintainers:
   - name: truenas
diff --git a/library/ix-dev/community/readarr/ci/extra-values.yaml b/library/ix-dev/community/readarr/ci/extra-values.yaml
index dc6a4992a3..e0ab421d05 100644
--- a/library/ix-dev/community/readarr/ci/extra-values.yaml
+++ b/library/ix-dev/community/readarr/ci/extra-values.yaml
@@ -1,8 +1,8 @@
 readarrConfig:
   additionalEnvs:
-    - name: READARR__API_KEY
+    - name: READARR__AUTH__APIKEY
       value: some-long-api-key
-    - name: READARR__LOG_LEVEL
+    - name: READARR__LOG__LEVEL
       value: error
 
 readarrNetwork:
diff --git a/library/ix-dev/community/readarr/templates/_readarr.tpl b/library/ix-dev/community/readarr/templates/_readarr.tpl
index 379f8e2c00..9fe81eb662 100644
--- a/library/ix-dev/community/readarr/templates/_readarr.tpl
+++ b/library/ix-dev/community/readarr/templates/_readarr.tpl
@@ -16,7 +16,8 @@ workload:
             runAsGroup: {{ .Values.readarrRunAs.group }}
           env:
             READARR__PORT: {{ .Values.readarrNetwork.webPort }}
-            READARR__INSTANCE_NAME: {{ .Values.readarrConfig.instanceName }}
+            READARR__SERVER__PORT: {{ .Values.readarrNetwork.webPort }}
+            READARR__APP__INSTANCENAME: {{ .Values.readarrConfig.instanceName }}
           {{ with .Values.readarrConfig.additionalEnvs }}
           envList:
             {{ range $env := . }}
diff --git a/library/ix-dev/community/readarr/values.yaml b/library/ix-dev/community/readarr/values.yaml
index 2ecab9c646..3356f689f2 100644
--- a/library/ix-dev/community/readarr/values.yaml
+++ b/library/ix-dev/community/readarr/values.yaml
@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/onedr0p/readarr-develop
   pullPolicy: IfNotPresent
-  tag: 0.3.27.2538
+  tag: 0.3.28.2554
 
 resources:
   limits: