diff --git a/roles/arp_cache/tasks/main.yml b/roles/arp_cache/tasks/main.yml
index de0336c..7a49c1b 100644
--- a/roles/arp_cache/tasks/main.yml
+++ b/roles/arp_cache/tasks/main.yml
@@ -8,4 +8,4 @@
   - { key: 'net.ipv4.neigh.default.gc_thresh3', value: 8192 }
   - { key: 'net.ipv6.neigh.default.gc_thresh1', value: 2048 }
   - { key: 'net.ipv6.neigh.default.gc_thresh2', value: 4096 }
-  - { key: 'net.ipv6.neigh.default.gc_thresh3', value: 8192 }
+  - { key: 'net.ipv6.neigh.default.gc_thresh3', value: 32768 }