diff --git a/Makefile b/Makefile
index 7c835ee..8e2697f 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,8 @@
 # The docker image to use for the build environment.  Changing this
 # will force a rebuild of the docker image.  If there is an existing image
 # with this name, it will be used.
-DOCKER_IMAGE=tailscale-android-build-amd64
+DOCKER_IMAGE=tailscale-android-build-amd64-go1.23
+export TS_USE_TOOLCHAIN=1
 
 DEBUG_APK=tailscale-debug.apk
 RELEASE_AAB=tailscale-release.aab
diff --git a/android/build.gradle b/android/build.gradle
index 78eba20..b8fe7b0 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -38,7 +38,7 @@ android {
         minSdkVersion 26
         targetSdkVersion 34
         versionCode 241
-        versionName "1.73.73-t959285e0c-ge437c2d917e"
+        versionName "1.73.104-te7b5e8c8c-g161457b99b5"
     }
 
     compileOptions {
diff --git a/go.mod b/go.mod
index 132633e..ff089e8 100644
--- a/go.mod
+++ b/go.mod
@@ -1,14 +1,12 @@
 module github.com/tailscale/tailscale-android
 
-go 1.23
-
-toolchain go1.23.0
+go 1.23.0
 
 require (
-	github.com/tailscale/wireguard-go v0.0.0-20240731203015-71393c576b98
+	github.com/tailscale/wireguard-go v0.0.0-20240905161824-799c1978fafc
 	golang.org/x/mobile v0.0.0-20240806205939-81131f6468ab
 	inet.af/netaddr v0.0.0-20220617031823-097006376321
-	tailscale.com v1.73.0-pre.0.20240829222721-959285e0c540
+	tailscale.com v1.73.0-pre.0.20240905180038-e7b5e8c8cd9f
 )
 
 require (
diff --git a/go.sum b/go.sum
index 13a5d11..12385db 100644
--- a/go.sum
+++ b/go.sum
@@ -156,8 +156,8 @@ github.com/tailscale/peercred v0.0.0-20240214030740-b535050b2aa4 h1:Gz0rz40FvFVL
 github.com/tailscale/peercred v0.0.0-20240214030740-b535050b2aa4/go.mod h1:phI29ccmHQBc+wvroosENp1IF9195449VDnFDhJ4rJU=
 github.com/tailscale/web-client-prebuilt v0.0.0-20240226180453-5db17b287bf1 h1:tdUdyPqJ0C97SJfjB9tW6EylTtreyee9C44de+UBG0g=
 github.com/tailscale/web-client-prebuilt v0.0.0-20240226180453-5db17b287bf1/go.mod h1:agQPE6y6ldqCOui2gkIh7ZMztTkIQKH049tv8siLuNQ=
-github.com/tailscale/wireguard-go v0.0.0-20240731203015-71393c576b98 h1:RNpJrXfI5u6e+uzyIzvmnXbhmhdRkVf//90sMBH3lso=
-github.com/tailscale/wireguard-go v0.0.0-20240731203015-71393c576b98/go.mod h1:BOm5fXUBFM+m9woLNBoxI9TaBXXhGNP50LX/TGIvGb4=
+github.com/tailscale/wireguard-go v0.0.0-20240905161824-799c1978fafc h1:cezaQN9pvKVaw56Ma5qr/G646uKIYP0yQf+OyWN/okc=
+github.com/tailscale/wireguard-go v0.0.0-20240905161824-799c1978fafc/go.mod h1:BOm5fXUBFM+m9woLNBoxI9TaBXXhGNP50LX/TGIvGb4=
 github.com/tailscale/xnet v0.0.0-20240729143630-8497ac4dab2e h1:zOGKqN5D5hHhiYUp091JqK7DPCqSARyUfduhGUY8Bek=
 github.com/tailscale/xnet v0.0.0-20240729143630-8497ac4dab2e/go.mod h1:orPd6JZXXRyuDusYilywte7k094d7dycXXU5YnWsrwg=
 github.com/tc-hib/winres v0.2.1 h1:YDE0FiP0VmtRaDn7+aaChp1KiF4owBiJa5l964l5ujA=
@@ -256,5 +256,5 @@ inet.af/netaddr v0.0.0-20220617031823-097006376321 h1:B4dC8ySKTQXasnjDTMsoCMf1sQ
 inet.af/netaddr v0.0.0-20220617031823-097006376321/go.mod h1:OIezDfdzOgFhuw4HuWapWq2e9l0H9tK4F1j+ETRtF3k=
 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 v1.73.0-pre.0.20240829222721-959285e0c540 h1:nike4kuThT/9ehqnIkGlx3zWeRyx1aJe3E7iUyed0ng=
-tailscale.com v1.73.0-pre.0.20240829222721-959285e0c540/go.mod h1:PdTJH9Hv0Bn2PguIZh1vfqiKmcRgp6MoE2PnxET1B3E=
+tailscale.com v1.73.0-pre.0.20240905180038-e7b5e8c8cd9f h1:6nKO3Qt1da0I2XiK06I7cI4SYY4iSKxGHRFWoqB7YCA=
+tailscale.com v1.73.0-pre.0.20240905180038-e7b5e8c8cd9f/go.mod h1:8e0mb1njzhKGS7DXY1q0PhVGrlFjZYW+eNQkC6Mb2BE=
diff --git a/version/tailscale-version.sh b/version/tailscale-version.sh
index 16ce7ee..adc01dc 100755
--- a/version/tailscale-version.sh
+++ b/version/tailscale-version.sh
@@ -9,6 +9,9 @@
 
 set -euo pipefail
 
+# use the go toolchain from the tailscale.com
+export TS_USE_TOOLCHAIN=1
+
 go_list=$(go list -m tailscale.com)
 # go list outputs `tailscale.com <version>`. Extract the version.
 mod_version=${go_list#tailscale.com}