diff --git a/cmd/zenity/build.sh b/cmd/zenity/build.sh
index c38e9a0..42f300b 100755
--- a/cmd/zenity/build.sh
+++ b/cmd/zenity/build.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+go run github.com/josephspurrier/goversioninfo/cmd/goversioninfo
+
 GOOS=windows GOARCH=386 go build -ldflags="-s -w" -trimpath &&
 zip -9 zenity_win32.zip zenity.exe
 
@@ -9,4 +11,4 @@ zip -9 zenity_win64.zip zenity.exe
 GOOS=darwin GOARCH=amd64 go build -ldflags="-s -w" -trimpath &&
 zip -9 zenity_macos.zip zenity
 
-go build
+go build -tags dev
diff --git a/cmd/zenity/main.go b/cmd/zenity/main.go
index 44b6610..1dfeedf 100644
--- a/cmd/zenity/main.go
+++ b/cmd/zenity/main.go
@@ -1,3 +1,5 @@
+// +build windows darwin dev
+
 package main
 
 import (
@@ -17,8 +19,6 @@ import (
 	"github.com/ncruces/zenity/internal/zenutil"
 )
 
-//go:generate go run github.com/josephspurrier/goversioninfo/cmd/goversioninfo
-
 const (
 	unspecified = "\x00"
 )
diff --git a/cmd/zenity/progress.go b/cmd/zenity/progress.go
index 4fff0f3..01ca755 100644
--- a/cmd/zenity/progress.go
+++ b/cmd/zenity/progress.go
@@ -1,3 +1,5 @@
+// +build windows darwin dev
+
 package main
 
 import (
diff --git a/cmd/zenity/progress_unix.go b/cmd/zenity/progress_unix.go
index df4cdb7..c3e25d2 100644
--- a/cmd/zenity/progress_unix.go
+++ b/cmd/zenity/progress_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!js
+// +build darwin dev
 
 package main
 
diff --git a/cmd/zenity/versioninfo.json b/cmd/zenity/versioninfo.json
index 5558768..d1c99c0 100644
--- a/cmd/zenity/versioninfo.json
+++ b/cmd/zenity/versioninfo.json
@@ -24,7 +24,7 @@
 		"FileDescription": "",
 		"FileVersion": "0.0.0.0",
 		"InternalName": "zenity",
-		"LegalCopyright": "© 2020 Nuno Cruces",
+    "LegalCopyright": "© 2021 Nuno Cruces",
 		"LegalTrademarks": "",
 		"OriginalFilename": "zenity.exe",
 		"PrivateBuild": "",
@@ -38,4 +38,4 @@
 			"CharsetID": "04B0"
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/color_unix.go b/color_unix.go
index 8a2fc1e..0129c4e 100644
--- a/color_unix.go
+++ b/color_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!darwin,!js
+// +build !windows,!darwin
 
 package zenity
 
diff --git a/entry_unix.go b/entry_unix.go
index 9f51e88..373fefc 100644
--- a/entry_unix.go
+++ b/entry_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!darwin,!js
+// +build !windows,!darwin
 
 package zenity
 
diff --git a/file_unix.go b/file_unix.go
index c1a5074..f323645 100644
--- a/file_unix.go
+++ b/file_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!darwin,!js
+// +build !windows,!darwin
 
 package zenity
 
diff --git a/internal/zenutil/env_unix.go b/internal/zenutil/env_unix.go
index 9cd9e04..154e71e 100644
--- a/internal/zenutil/env_unix.go
+++ b/internal/zenutil/env_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!darwin,!js
+// +build !windows,!darwin
 
 // Package zenutil is internal. DO NOT USE.
 package zenutil
diff --git a/internal/zenutil/progress_unix.go b/internal/zenutil/progress_unix.go
index 5706b23..eb2040c 100644
--- a/internal/zenutil/progress_unix.go
+++ b/internal/zenutil/progress_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!js
+// +build !windows
 
 package zenutil
 
diff --git a/internal/zenutil/run_unix.go b/internal/zenutil/run_unix.go
index b270340..e151c29 100644
--- a/internal/zenutil/run_unix.go
+++ b/internal/zenutil/run_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!darwin,!js
+// +build !windows,!darwin
 
 package zenutil
 
diff --git a/list_unix.go b/list_unix.go
index c7de987..2c18966 100644
--- a/list_unix.go
+++ b/list_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!darwin,!js
+// +build !windows,!darwin
 
 package zenity
 
diff --git a/msg_unix.go b/msg_unix.go
index 12f647d..c3c0a91 100644
--- a/msg_unix.go
+++ b/msg_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!darwin,!js
+// +build !windows,!darwin
 
 package zenity
 
diff --git a/notify_unix.go b/notify_unix.go
index 2f3a47d..5c040d6 100644
--- a/notify_unix.go
+++ b/notify_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!darwin,!js
+// +build !windows,!darwin
 
 package zenity
 
diff --git a/progress_unix.go b/progress_unix.go
index 5be2ed2..50c29de 100644
--- a/progress_unix.go
+++ b/progress_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!darwin,!js
+// +build !windows,!darwin
 
 package zenity
 
diff --git a/pwd_unix.go b/pwd_unix.go
index 135ffdc..a901443 100644
--- a/pwd_unix.go
+++ b/pwd_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!darwin,!js
+// +build !windows,!darwin
 
 package zenity
 
diff --git a/util_unix.go b/util_unix.go
index 1bc15e0..bad2a29 100644
--- a/util_unix.go
+++ b/util_unix.go
@@ -1,4 +1,4 @@
-// +build !windows,!js
+// +build !windows
 
 package zenity