diff --git a/cluster/addons/dns/coredns/coredns.yaml.base b/cluster/addons/dns/coredns/coredns.yaml.base
index 87cc327dd41..dd4570adb65 100644
--- a/cluster/addons/dns/coredns/coredns.yaml.base
+++ b/cluster/addons/dns/coredns/coredns.yaml.base
@@ -176,7 +176,7 @@ spec:
             add:
             - NET_BIND_SERVICE
             drop:
-            - all
+            - ALL
           readOnlyRootFilesystem: true
       dnsPolicy: Default
       volumes:
diff --git a/cluster/addons/dns/coredns/coredns.yaml.in b/cluster/addons/dns/coredns/coredns.yaml.in
index 75bc5d75ba3..6939faec3f9 100644
--- a/cluster/addons/dns/coredns/coredns.yaml.in
+++ b/cluster/addons/dns/coredns/coredns.yaml.in
@@ -176,7 +176,7 @@ spec:
             add:
             - NET_BIND_SERVICE
             drop:
-            - all
+            - ALL
           readOnlyRootFilesystem: true
       dnsPolicy: Default
       volumes:
diff --git a/cluster/addons/dns/coredns/coredns.yaml.sed b/cluster/addons/dns/coredns/coredns.yaml.sed
index f98fe13410a..a90f2b7674a 100644
--- a/cluster/addons/dns/coredns/coredns.yaml.sed
+++ b/cluster/addons/dns/coredns/coredns.yaml.sed
@@ -176,7 +176,7 @@ spec:
             add:
             - NET_BIND_SERVICE
             drop:
-            - all
+            - ALL
           readOnlyRootFilesystem: true
       dnsPolicy: Default
       volumes: