diff --git a/network/tailscale/tailscale.SlackBuild b/network/tailscale/tailscale.SlackBuild
index 898e2ee92f..857efb3542 100644
--- a/network/tailscale/tailscale.SlackBuild
+++ b/network/tailscale/tailscale.SlackBuild
@@ -26,7 +26,7 @@ cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=tailscale
 DAEMON=tailscaled
-VERSION=${VERSION:-1.66.3}
+VERSION=${VERSION:-1.66.4}
 ARCHSTR=amd64
 BINDIR=$PRGNAM"_"$VERSION"_"$ARCHSTR
 BUILD=${BUILD:-1}
diff --git a/network/tailscale/tailscale.info b/network/tailscale/tailscale.info
index b004c00b2f..d78fd4abb8 100644
--- a/network/tailscale/tailscale.info
+++ b/network/tailscale/tailscale.info
@@ -1,12 +1,12 @@
 PRGNAM="tailscale"
-VERSION="1.66.3"
+VERSION="1.66.4"
 HOMEPAGE="https://tailscale.com/"
 DOWNLOAD="UNSUPPORTED"
 MD5SUM=""
-DOWNLOAD_x86_64="https://pkgs.tailscale.com/stable/tailscale_1.66.3_amd64.tgz \
-                 https://github.com/tailscale/tailscale/archive/refs/tags/v1.66.3/tailscale-1.66.3.tar.gz"
-MD5SUM_x86_64="73b786c984b6c2f87dd1eac902101620 \
-               7f42b917be044bdfcf91f9f332386db3"
+DOWNLOAD_x86_64="https://pkgs.tailscale.com/stable/tailscale_1.66.4_amd64.tgz \
+                 https://github.com/tailscale/tailscale/archive/refs/tags/v1.66.4/tailscale-1.66.4.tar.gz"
+MD5SUM_x86_64="0435a1a9fd1e361b6338c68af5567982 \
+               64b14f001133c19d78bcced1076a40cf"
 REQUIRES=""
 MAINTAINER="Andrew Payne"
 EMAIL="phalange@komputermatrix.com"