diff --git a/README.md b/README.md
index 7034821..778e29a 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ Implemented dialogs:
 * [password](https://github.com/ncruces/zenity/wiki/Password-dialog)
 * [file selection](https://github.com/ncruces/zenity/wiki/File-selection-dialog)
 * [color selection](https://github.com/ncruces/zenity/wiki/Color-selection-dialog)
+* [calendar](https://github.com/ncruces/zenity/wiki/Calendar-dialog)
 * [progress](https://github.com/ncruces/zenity/wiki/Progress-dialog)
 * [notification](https://github.com/ncruces/zenity/wiki/Notification)
 
@@ -34,6 +35,10 @@ The `zenity` command on macOS/WSL using [Homebrew](https://brew.sh/):
 
     brew install ncruces/tap/zenity
 
+The `zenity` command on macOS/Windows if you have Go:
+
+    go install github.com/ncruces/zenity/cmd/zenity@latest
+
 Or download the [latest release](https://github.com/ncruces/zenity/releases/latest).
 
 ## Why?
diff --git a/cmd/zenity/versioninfo.json b/cmd/zenity/versioninfo.json
index d1c99c0..d043f1e 100644
--- a/cmd/zenity/versioninfo.json
+++ b/cmd/zenity/versioninfo.json
@@ -24,7 +24,7 @@
 		"FileDescription": "",
 		"FileVersion": "0.0.0.0",
 		"InternalName": "zenity",
-    "LegalCopyright": "© 2021 Nuno Cruces",
+    "LegalCopyright": "© 2022 Nuno Cruces",
 		"LegalTrademarks": "",
 		"OriginalFilename": "zenity.exe",
 		"PrivateBuild": "",
diff --git a/go.mod b/go.mod
index 22d0005..73dc59d 100644
--- a/go.mod
+++ b/go.mod
@@ -5,11 +5,11 @@ go 1.17
 require (
 	github.com/dchest/jsmin v0.0.0-20220218165748-59f39799265f
 	github.com/josephspurrier/goversioninfo v1.4.0
-	github.com/ncruces/go-strftime v0.1.4
+	github.com/ncruces/go-strftime v0.1.6
 	github.com/randall77/makefat v0.0.0-20210315173500-7ddd0e42c844
 	go.uber.org/goleak v1.1.12 // test
 	golang.org/x/image v0.0.0-20220321031419-a8550c1d254a
-	golang.org/x/sys v0.0.0-20220330033206-e17cdc41300f
+	golang.org/x/sys v0.0.0-20220405052023-b1e9470b6e64
 )
 
 require (
diff --git a/go.sum b/go.sum
index fb5b069..7f34531 100644
--- a/go.sum
+++ b/go.sum
@@ -9,8 +9,8 @@ github.com/josephspurrier/goversioninfo v1.4.0/go.mod h1:JWzv5rKQr+MmW+LvM412ToT
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/ncruces/go-strftime v0.1.4 h1:pplj9DuDipzu8lCeJrxTObh7wWwdnjBl2lFdW9rYyIE=
-github.com/ncruces/go-strftime v0.1.4/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/ncruces/go-strftime v0.1.6 h1:RHNhlboNN4GiTPavakz0244ivKXi1BU4kJ6/dmmCxtY=
+github.com/ncruces/go-strftime v0.1.6/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 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/randall77/makefat v0.0.0-20210315173500-7ddd0e42c844 h1:GranzK4hv1/pqTIhMTXt2X8MmMOuH3hMeUR0o9SP5yc=
@@ -42,8 +42,8 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220330033206-e17cdc41300f h1:rlezHXNlxYWvBCzNses9Dlc7nGFaNMJeqLolcmQSSZY=
-golang.org/x/sys v0.0.0-20220330033206-e17cdc41300f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220405052023-b1e9470b6e64 h1:D1v9ucDTYBtbz5vNuBbAhIMAGhQhJ6Ym5ah3maMVNX4=
+golang.org/x/sys v0.0.0-20220405052023-b1e9470b6e64/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=