diff --git a/Cargo.lock b/Cargo.lock
index 1bff0d4..fa27024 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -151,7 +151,7 @@ dependencies = [
 
 [[package]]
 name = "client"
-version = "1.4.0-beta.3"
+version = "1.4.0"
 dependencies = [
  "anyhow",
  "colored",
@@ -926,7 +926,7 @@ dependencies = [
 
 [[package]]
 name = "server"
-version = "1.4.0-beta.3"
+version = "1.4.0"
 dependencies = [
  "anyhow",
  "bytes",
@@ -959,7 +959,7 @@ dependencies = [
 
 [[package]]
 name = "shared"
-version = "1.4.0-beta.3"
+version = "1.4.0"
 dependencies = [
  "anyhow",
  "atty",
@@ -1319,7 +1319,7 @@ checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 
 [[package]]
 name = "wgctrl"
-version = "1.4.0-beta.3"
+version = "1.4.0"
 dependencies = [
  "base64",
  "hex",
@@ -1332,7 +1332,7 @@ dependencies = [
 
 [[package]]
 name = "wgctrl-sys"
-version = "1.4.0-beta.3"
+version = "1.4.0"
 dependencies = [
  "bindgen",
  "cc",
diff --git a/README.md b/README.md
index eb8c872..dcfad56 100644
--- a/README.md
+++ b/README.md
@@ -204,10 +204,10 @@ brew install tonarino/innernet/innernet
 
 ```sh
 # to install innernet:
-cargo install --git https://github.com/tonarino/innernet --tag v1.4.0-beta.3 client
+cargo install --git https://github.com/tonarino/innernet --tag v1.4.0 client
 
 # to install innernet-server:
-cargo install --git https://github.com/tonarino/innernet --tag v1.4.0-beta.3 server
+cargo install --git https://github.com/tonarino/innernet --tag v1.4.0 server
 ```
 
 Note that you'll be responsible for updating manually.
diff --git a/client/Cargo.toml b/client/Cargo.toml
index 3eb3a0d..5bab0c3 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT"
 name = "client"
 publish = false
 repository = "https://github.com/tonarino/innernet"
-version = "1.4.0-beta.3"
+version = "1.4.0"
 
 [[bin]]
 name = "innernet"
diff --git a/doc/innernet-server.8 b/doc/innernet-server.8
index 47dd516..b7a5256 100644
--- a/doc/innernet-server.8
+++ b/doc/innernet-server.8
@@ -1,9 +1,9 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.3.
-.TH INNERNET-SERVER "8" "June 2021" "innernet-server 1.4.0-beta.3" "System Administration Utilities"
+.TH INNERNET-SERVER "8" "July 2021" "innernet-server 1.4.0" "System Administration Utilities"
 .SH NAME
-innernet-server \- manual page for innernet-server 1.4.0-beta.3
+innernet-server \- manual page for innernet-server 1.4.0
 .SH DESCRIPTION
-innernet\-server 1.4.0\-beta.3
+innernet\-server 1.4.0
 A server to coordinate innernet networks.
 .SS "USAGE:"
 .IP
@@ -16,7 +16,7 @@ babeld
 .TP
 \fB\-\-backend\fR <backend>
 Specify a WireGuard backend to use. If not set, innernet will auto\-select based on
-availability [default: userspace]  [possible values: userspace]
+availability [default: kernel]  [possible values: kernel, userspace]
 .TP
 \fB\-\-mtu\fR <mtu>
 Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)
diff --git a/doc/innernet-server.8.gz b/doc/innernet-server.8.gz
index f7ad335..947a05c 100644
Binary files a/doc/innernet-server.8.gz and b/doc/innernet-server.8.gz differ
diff --git a/doc/innernet-server.completions.bash b/doc/innernet-server.completions.bash
index ce06e9c..8094976 100644
--- a/doc/innernet-server.completions.bash
+++ b/doc/innernet-server.completions.bash
@@ -58,7 +58,7 @@ _innernet-server() {
             case "${prev}" in
                 
                 --backend)
-                    COMPREPLY=($(compgen -W "userspace" -- "${cur}"))
+                    COMPREPLY=($(compgen -W "kernel userspace" -- "${cur}"))
                     return 0
                     ;;
                 --mtu)
@@ -282,7 +282,7 @@ _innernet-server() {
             case "${prev}" in
                 
                 --backend)
-                    COMPREPLY=($(compgen -W "userspace" -- "${cur}"))
+                    COMPREPLY=($(compgen -W "kernel userspace" -- "${cur}"))
                     return 0
                     ;;
                 --mtu)
diff --git a/doc/innernet-server.completions.fish b/doc/innernet-server.completions.fish
index f690722..a5df07a 100644
--- a/doc/innernet-server.completions.fish
+++ b/doc/innernet-server.completions.fish
@@ -1,4 +1,4 @@
-complete -c innernet-server -n "__fish_use_subcommand" -l backend -d 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability' -r -f -a "userspace"
+complete -c innernet-server -n "__fish_use_subcommand" -l backend -d 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability' -r -f -a "kernel userspace"
 complete -c innernet-server -n "__fish_use_subcommand" -l mtu -d 'Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)'
 complete -c innernet-server -n "__fish_use_subcommand" -l no-routing -d 'Whether the routing should be done by innernet or is done by an external tool like e.g. babeld'
 complete -c innernet-server -n "__fish_use_subcommand" -s h -l help -d 'Prints help information'
@@ -21,7 +21,7 @@ complete -c innernet-server -n "__fish_seen_subcommand_from new" -s h -l help -d
 complete -c innernet-server -n "__fish_seen_subcommand_from new" -s V -l version -d 'Prints version information'
 complete -c innernet-server -n "__fish_seen_subcommand_from uninstall" -s h -l help -d 'Prints help information'
 complete -c innernet-server -n "__fish_seen_subcommand_from uninstall" -s V -l version -d 'Prints version information'
-complete -c innernet-server -n "__fish_seen_subcommand_from serve" -l backend -d 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability' -r -f -a "userspace"
+complete -c innernet-server -n "__fish_seen_subcommand_from serve" -l backend -d 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability' -r -f -a "kernel userspace"
 complete -c innernet-server -n "__fish_seen_subcommand_from serve" -l mtu -d 'Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)'
 complete -c innernet-server -n "__fish_seen_subcommand_from serve" -l no-routing -d 'Whether the routing should be done by innernet or is done by an external tool like e.g. babeld'
 complete -c innernet-server -n "__fish_seen_subcommand_from serve" -s h -l help -d 'Prints help information'
diff --git a/doc/innernet-server.completions.zsh b/doc/innernet-server.completions.zsh
index 1018263..43bda27 100644
--- a/doc/innernet-server.completions.zsh
+++ b/doc/innernet-server.completions.zsh
@@ -15,7 +15,7 @@ _innernet-server() {
 
     local context curcontext="$curcontext" state line
     _arguments "${_arguments_options[@]}" \
-'--backend=[Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability]: :(userspace)' \
+'--backend=[Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability]: :(kernel userspace)' \
 '--mtu=[Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)]' \
 '--no-routing[Whether the routing should be done by innernet or is done by an external tool like e.g. babeld]' \
 '-h[Prints help information]' \
@@ -81,7 +81,7 @@ _arguments "${_arguments_options[@]}" \
 ;;
 (serve)
 _arguments "${_arguments_options[@]}" \
-'--backend=[Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability]: :(userspace)' \
+'--backend=[Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability]: :(kernel userspace)' \
 '--mtu=[Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)]' \
 '--no-routing[Whether the routing should be done by innernet or is done by an external tool like e.g. babeld]' \
 '-h[Prints help information]' \
diff --git a/doc/innernet.8 b/doc/innernet.8
index f2f166a..ff13a99 100644
--- a/doc/innernet.8
+++ b/doc/innernet.8
@@ -1,9 +1,9 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.3.
-.TH INNERNET "8" "June 2021" "innernet 1.4.0-beta.3" "System Administration Utilities"
+.TH INNERNET "8" "July 2021" "innernet 1.4.0" "System Administration Utilities"
 .SH NAME
-innernet \- manual page for innernet 1.4.0-beta.3
+innernet \- manual page for innernet 1.4.0
 .SH DESCRIPTION
-innernet 1.4.0\-beta.3
+innernet 1.4.0
 A client to manage innernet network interfaces.
 .SS "USAGE:"
 .IP
@@ -21,7 +21,7 @@ Whether the routing should be done by innernet or is done by an external tool li
 \fB\-\-backend\fR <backend>
 .IP
 Specify a WireGuard backend to use. If not set, innernet will auto\-select based on availability [default:
-userspace]  [possible values: userspace]
+kernel]  [possible values: kernel, userspace]
 .HP
 \fB\-\-mtu\fR <mtu>
 .IP
diff --git a/doc/innernet.8.gz b/doc/innernet.8.gz
index 9ae5a47..5632b0f 100644
Binary files a/doc/innernet.8.gz and b/doc/innernet.8.gz differ
diff --git a/doc/innernet.completions.bash b/doc/innernet.completions.bash
index 25115a1..5034484 100644
--- a/doc/innernet.completions.bash
+++ b/doc/innernet.completions.bash
@@ -94,7 +94,7 @@ _innernet() {
             case "${prev}" in
                 
                 --backend)
-                    COMPREPLY=($(compgen -W "userspace" -- "${cur}"))
+                    COMPREPLY=($(compgen -W "kernel userspace" -- "${cur}"))
                     return 0
                     ;;
                 --mtu)
diff --git a/doc/innernet.completions.fish b/doc/innernet.completions.fish
index ff0cdc5..8d22b99 100644
--- a/doc/innernet.completions.fish
+++ b/doc/innernet.completions.fish
@@ -1,4 +1,4 @@
-complete -c innernet -n "__fish_use_subcommand" -l backend -d 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability' -r -f -a "userspace"
+complete -c innernet -n "__fish_use_subcommand" -l backend -d 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability' -r -f -a "kernel userspace"
 complete -c innernet -n "__fish_use_subcommand" -l mtu -d 'Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)'
 complete -c innernet -n "__fish_use_subcommand" -s v -l verbose -d 'Verbose output, use -vv for even higher verbositude'
 complete -c innernet -n "__fish_use_subcommand" -l no-routing -d 'Whether the routing should be done by innernet or is done by an external tool like e.g. babeld'
diff --git a/doc/innernet.completions.zsh b/doc/innernet.completions.zsh
index 4ba06f7..ace7220 100644
--- a/doc/innernet.completions.zsh
+++ b/doc/innernet.completions.zsh
@@ -15,7 +15,7 @@ _innernet() {
 
     local context curcontext="$curcontext" state line
     _arguments "${_arguments_options[@]}" \
-'--backend=[Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability]: :(userspace)' \
+'--backend=[Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability]: :(kernel userspace)' \
 '--mtu=[Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)]' \
 '*-v[Verbose output, use -vv for even higher verbositude]' \
 '*--verbose[Verbose output, use -vv for even higher verbositude]' \
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 502c138..d25921f 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT"
 name = "server"
 publish = false
 readme = "README.md"
-version = "1.4.0-beta.3"
+version = "1.4.0"
 
 [[bin]]
 name = "innernet-server"
diff --git a/shared/Cargo.toml b/shared/Cargo.toml
index d02cc7c..b3506b3 100644
--- a/shared/Cargo.toml
+++ b/shared/Cargo.toml
@@ -4,7 +4,7 @@ edition = "2018"
 license = "MIT"
 name = "shared"
 publish = false
-version = "1.4.0-beta.3"
+version = "1.4.0"
 
 [dependencies]
 anyhow = "1"
diff --git a/wgctrl-rs/Cargo.toml b/wgctrl-rs/Cargo.toml
index 8893f81..7477dae 100644
--- a/wgctrl-rs/Cargo.toml
+++ b/wgctrl-rs/Cargo.toml
@@ -7,7 +7,7 @@ license = "LGPL-2.1-or-later"
 name = "wgctrl"
 publish = false
 readme = "../README.md"
-version = "1.4.0-beta.3"
+version = "1.4.0"
 
 [dependencies]
 base64 = "0.13"
diff --git a/wgctrl-sys/Cargo.toml b/wgctrl-sys/Cargo.toml
index 2b51521..b322ad8 100644
--- a/wgctrl-sys/Cargo.toml
+++ b/wgctrl-sys/Cargo.toml
@@ -7,7 +7,7 @@ name = "wgctrl-sys"
 publish = false
 readme = "../README.md"
 repository = "https://gitlab.com/K900/wgctrl-rs"
-version = "1.4.0-beta.3"
+version = "1.4.0"
 
 [dependencies]
 libc = "0.2"