diff --git a/es/es.yaml b/es/es.yaml
index 8627ac2..9961252 100644
--- a/es/es.yaml
+++ b/es/es.yaml
@@ -55,7 +55,7 @@ spec:
             value: "-Xms1200m -Xmx1200m"
       initContainers:
       - name: fix-permissions
-        image: busybox
+        image: alpine
         command: ["sh", "-c", "chown -R 1000:1000 /usr/share/elasticsearch/data"]
         securityContext:
           privileged: true
@@ -63,12 +63,12 @@ spec:
         - name: data
           mountPath: /usr/share/elasticsearch/data
       - name: increase-vm-max-map
-        image: busybox
+        image: alpine
         command: ["sysctl", "-w", "vm.max_map_count=262144"]
         securityContext:
           privileged: true
       - name: increase-fd-ulimit
-        image: busybox
+        image: alpine
         command: ["sh", "-c", "ulimit -n 65536"]
         securityContext:
           privileged: true