diff --git a/v2/cmd/wails/build.go b/v2/cmd/wails/build.go
index 05f235078..39ad00d2f 100644
--- a/v2/cmd/wails/build.go
+++ b/v2/cmd/wails/build.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"github.com/wailsapp/wails/v2/pkg/commands/buildtags"
 	"os"
 	"runtime"
 	"strings"
@@ -59,6 +60,13 @@ func buildApplication(f *flags.Build) error {
 		f.GarbleArgs = projectOptions.GarbleArgs
 	}
 
+	projectTags, err := buildtags.Parse(projectOptions.BuildTags)
+	if err != nil {
+		return err
+	}
+	userTags := f.GetTags()
+	compiledTags := append(projectTags, userTags...)
+
 	// Create BuildOptions
 	buildOptions := &build.Options{
 		Logger:            logger,
@@ -76,7 +84,7 @@ func buildApplication(f *flags.Build) error {
 		IgnoreFrontend:    f.SkipFrontend,
 		Compress:          f.Upx,
 		CompressFlags:     f.UpxFlags,
-		UserTags:          f.GetTags(),
+		UserTags:          compiledTags,
 		WebView2Strategy:  f.GetWebView2Strategy(),
 		TrimPath:          f.TrimPath,
 		RaceDetector:      f.RaceDetector,
@@ -106,7 +114,7 @@ func buildApplication(f *flags.Build) error {
 		{"Package", bool2Str(!f.NoPackage)},
 		{"Clean Bin Dir", bool2Str(f.Clean)},
 		{"LDFlags", f.LdFlags},
-		{"Tags", "[" + strings.Join(f.GetTags(), ",") + "]"},
+		{"Tags", "[" + strings.Join(compiledTags, ",") + "]"},
 		{"Race Detector", bool2Str(f.RaceDetector)},
 	}...)
 	if len(buildOptions.OutputFile) > 0 && f.GetTargets().Length() == 1 {
diff --git a/v2/cmd/wails/internal/dev/dev.go b/v2/cmd/wails/internal/dev/dev.go
index a406768ed..9495b5bf2 100644
--- a/v2/cmd/wails/internal/dev/dev.go
+++ b/v2/cmd/wails/internal/dev/dev.go
@@ -76,10 +76,15 @@ func Application(f *flags.Dev, logger *clilogger.CLILogger) error {
 		return err
 	}
 
-	buildOptions.UserTags = userTags
-
 	projectConfig := f.ProjectConfig()
 
+	projectTags, err := buildtags.Parse(projectConfig.BuildTags)
+	if err != nil {
+		return err
+	}
+	compiledTags := append(projectTags, userTags...)
+	buildOptions.UserTags = compiledTags
+
 	// Setup signal handler
 	quitChannel := make(chan os.Signal, 1)
 	signal.Notify(quitChannel, os.Interrupt, syscall.SIGTERM)
diff --git a/v2/internal/project/project.go b/v2/internal/project/project.go
index 6aad383e8..2df99bdfa 100644
--- a/v2/internal/project/project.go
+++ b/v2/internal/project/project.go
@@ -42,6 +42,9 @@ type Project struct {
 	// Build directory
 	BuildDir string `json:"build:dir"`
 
+	// BuildTags Extra tags to process during build
+	BuildTags string `json:"build:tags"`
+
 	// The output filename
 	OutputFilename string `json:"outputfilename"`
 
diff --git a/website/docs/reference/project-config.mdx b/website/docs/reference/project-config.mdx
index a937e0d51..a9f8785fa 100644
--- a/website/docs/reference/project-config.mdx
+++ b/website/docs/reference/project-config.mdx
@@ -18,6 +18,8 @@ The project config resides in the `wails.json` file in the project directory. Th
   "reloaddirs": "",
   // The directory where the build files reside. Defaults to 'build'
   "build:dir": "",
+  // Additional tags to include at build time regardless of environment
+  "build:tags": "",
   // Relative path to the frontend directory. Defaults to 'frontend'
   "frontend:dir": "",
   // The command to install node dependencies, run in the frontend directory - often `npm install`
diff --git a/website/src/pages/changelog.mdx b/website/src/pages/changelog.mdx
index 2a7ab13d3..eab7e8bc6 100644
--- a/website/src/pages/changelog.mdx
+++ b/website/src/pages/changelog.mdx
@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Configure Vite timeout by @leaanthony in [PR](https://github.com/wailsapp/wails/pull/4374)
 - Added `ContentProtection` option to allow hiding the application window from screen sharing software [#4241](https://github.com/wailsapp/wails/pull/4241) by [@Taiterbase](https://github.com/Taiterbase)
+- Added `build:tags` to project specification for automatically adding compilation tags by @symball in [PR](https://github.com/wailsapp/wails/pull/4439)
 
 ## v2.10.2 - 2025-07-06