diff --git a/Dockerfile b/Dockerfile
index 25b2255..fe62f00 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -36,7 +36,7 @@ ENV ANDROID_SDK_ROOT /build/android-sdk
 # We need some version of Go new enough to support the "embed" package
 # to run "go run tailscale.com/cmd/printdep" to figure out which Tailscale Go
 # version we need later, but otherwise this toolchain isn't used:
-RUN curl -L https://go.dev/dl/go1.17.5.linux-amd64.tar.gz | tar -C /usr/local -zxv
+RUN curl -L https://go.dev/dl/go1.19.5.linux-amd64.tar.gz | tar -C /usr/local -zxv
 RUN ln -s /usr/local/go/bin/go /usr/bin
 
 RUN mkdir -p $HOME/tailscale-android