diff --git a/android/build.gradle b/android/build.gradle
index 37d4a9a..62f1d5e 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -37,8 +37,8 @@ android {
     defaultConfig {
         minSdkVersion 26
         targetSdkVersion 34
-        versionCode 218
-        versionName "1.67.13-t7b3e30f39-g46cdbb7b9b2"
+        versionCode 220
+        versionName "1.67.30-t6831a29f8-g8acfc1f7a07"
     }
 
     compileOptions {
diff --git a/go.mod b/go.mod
index 8ab9f2c..0442e50 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	golang.org/x/mobile v0.0.0-20240319015410-c58ccf4b0c87
 	golang.org/x/sys v0.18.0
 	inet.af/netaddr v0.0.0-20220617031823-097006376321
-	tailscale.com v1.67.0-pre.0.20240513162624-7b3e30f3913c
+	tailscale.com v1.67.0-pre.0.20240516231931-6831a29f8b93
 )
 
 require (
@@ -42,7 +42,7 @@ require (
 	github.com/google/btree v1.1.2 // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/nftables v0.2.1-0.20240414091927-5e242ec57806 // indirect
-	github.com/google/uuid v1.5.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/csrf v1.7.2 // indirect
 	github.com/gorilla/securecookie v1.1.2 // indirect
 	github.com/hdevalence/ed25519consensus v0.2.0 // indirect
@@ -61,6 +61,7 @@ require (
 	github.com/miekg/dns v1.1.58 // indirect
 	github.com/mitchellh/go-ps v1.0.0 // indirect
 	github.com/pierrec/lz4/v4 v4.1.21 // indirect
+	github.com/prometheus-community/pro-bing v0.4.0 // indirect
 	github.com/safchain/ethtool v0.3.0 // indirect
 	github.com/tailscale/certstore v0.1.1-0.20231202035212-d3fa0460f47e // indirect
 	github.com/tailscale/go-winio v0.0.0-20231025203758-c4f33415bf55 // indirect
diff --git a/go.sum b/go.sum
index 1a3749f..8b2d673 100644
--- a/go.sum
+++ b/go.sum
@@ -76,8 +76,8 @@ github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0=
 github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/nftables v0.2.1-0.20240414091927-5e242ec57806 h1:wG8RYIyctLhdFk6Vl1yPGtSRtwGpVkWyZww1OCil2MI=
 github.com/google/nftables v0.2.1-0.20240414091927-5e242ec57806/go.mod h1:Beg6V6zZ3oEn0JuiUQ4wqwuyqqzasOltcoXPtgLbFp4=
-github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
-github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/csrf v1.7.2 h1:oTUjx0vyf2T+wkrx09Trsev1TE+/EbDAeHtSTbtC2eI=
 github.com/gorilla/csrf v1.7.2/go.mod h1:F1Fj3KG23WYHE6gozCmBAezKookxbIvUJT+121wTuLk=
 github.com/gorilla/securecookie v1.1.2 h1:YCIWL56dvtr73r6715mJs5ZvhtnY73hBvEF8kXD8ePA=
@@ -126,6 +126,8 @@ github.com/pierrec/lz4/v4 v4.1.21 h1:yOVMLb6qSIDP67pl/5F7RepeKYu/VmTyEXvuMI5d9mQ
 github.com/pierrec/lz4/v4 v4.1.21/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/prometheus-community/pro-bing v0.4.0 h1:YMbv+i08gQz97OZZBwLyvmmQEEzyfyrrjEaAchdy3R4=
+github.com/prometheus-community/pro-bing v0.4.0/go.mod h1:b7wRYZtCcPmt4Sz319BykUU241rWLe1VFXyiyWK/dH4=
 github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
 github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA=
 github.com/safchain/ethtool v0.3.0 h1:gimQJpsI6sc1yIqP/y8GYgiXn/NjgvpM0RNoWLVVmP0=
@@ -255,5 +257,5 @@ nhooyr.io/websocket v1.8.10 h1:mv4p+MnGrLDcPlBoWsvPP7XCzTYMXP9F9eIGoKbgx7Q=
 nhooyr.io/websocket v1.8.10/go.mod h1:rN9OFWIUwuxg4fR5tELlYC04bXYowCP9GX47ivo2l+c=
 software.sslmate.com/src/go-pkcs12 v0.4.0 h1:H2g08FrTvSFKUj+D309j1DPfk5APnIdAQAB8aEykJ5k=
 software.sslmate.com/src/go-pkcs12 v0.4.0/go.mod h1:Qiz0EyvDRJjjxGyUQa2cCNZn/wMyzrRJ/qcDXOQazLI=
-tailscale.com v1.67.0-pre.0.20240513162624-7b3e30f3913c h1:uiN6a43+h1Ew6tiuzDI3z0QFUHqysXz7OaA7gHLbtVo=
-tailscale.com v1.67.0-pre.0.20240513162624-7b3e30f3913c/go.mod h1:99BIV4U3UPw36Sva04xK2ZsEpVRUkY9jCdEDSAhaNGM=
+tailscale.com v1.67.0-pre.0.20240516231931-6831a29f8b93 h1:oZtf/B8EoUWVahp07pcubsbcqUB45eJbVhzw7tpt4OY=
+tailscale.com v1.67.0-pre.0.20240516231931-6831a29f8b93/go.mod h1:mBOOIFib44M7SyyEkUVplZGVQdRzfjXQ04pL6fg52wk=