diff --git a/CHANGELOG.md b/CHANGELOG.md
index 930411c..09031dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,12 @@ The following emojis are used to highlight certain changes:
 
 ### Security
 
+## [v0.4.1]
+
+### Fixed
+
+- enabled NAT port map and Hole Punching to increase connectivity in non-public network topologies
+
 ## [v0.4.0]
 
 ### Changed
diff --git a/server.go b/server.go
index 3b16511..be979f4 100644
--- a/server.go
+++ b/server.go
@@ -186,6 +186,10 @@ func newHost(cfg *config) (host.Host, error) {
 		libp2p.UserAgent("someguy/"+buildVersion()),
 		libp2p.ConnectionManager(cmgr),
 		libp2p.ResourceManager(rcmgr),
+		libp2p.NATPortMap(),
+		libp2p.DefaultTransports,
+		libp2p.DefaultMuxers,
+		libp2p.EnableHolePunching(),
 	)
 	if err != nil {
 		return nil, err
diff --git a/version.json b/version.json
index 372b6ea..26a7d47 100644
--- a/version.json
+++ b/version.json
@@ -1,3 +1,3 @@
 {
-  "version": "v0.4.0"
+  "version": "v0.4.1"
 }