diff --git a/etc/unbound/unbound.conf.d/cache.conf b/etc/unbound/unbound.conf.d/cache.conf
new file mode 100644
index 00000000..6da912c0
--- /dev/null
+++ b/etc/unbound/unbound.conf.d/cache.conf
@@ -0,0 +1,11 @@
+# Increasing caching
+# This has potential to increase memory usage to 100m under heavy usage, but
+# I find that unlikely as almost everything is using so short TTLs and I am
+# not enforcing higher minimum TTL (cache-min-ttl, defaults to 0).
+# See also MEMORY CONTROL EXAMPLE in man unbound.conf
+
+server:
+    # bytes in message cache, defaults to 4m
+    msg-cache-size: 50m
+    # bytes in rrset cache, defaults to 4m
+    rrset-cache-size: 50m