diff --git a/charts/atlantis/templates/redis.yaml b/charts/atlantis/templates/redis.yaml
index aaed6a24..cad91ec3 100644
--- a/charts/atlantis/templates/redis.yaml
+++ b/charts/atlantis/templates/redis.yaml
@@ -11,11 +11,19 @@ metadata:
     app.kubernetes.io/instance: dragonfly
     {{- include "Atlantis.labels" . | nindent 4 }}
 spec:
+  args:
+    - --maxmemory=$(MAX_MEMORY)Mi
+    - --proactor_threads=1
+  env:
+    - name: MAX_MEMORY
+      valueFrom:
+        resourceFieldRef:
+          resource: limits.memory
+          divisor: 1Mi
   replicas: {{ .Values.redis.replicas| default "1" }}
   resources:
     requests:
       cpu: 150m
-      memory: 128Mi
     limits:
       memory: 256Mi
   authentication: