diff --git a/.builds/linux.yml b/.builds/linux.yml
index 430d1757..e25bbcc4 100644
--- a/.builds/linux.yml
+++ b/.builds/linux.yml
@@ -28,11 +28,11 @@ tasks:
      sudo apt install -y google-chrome-stable
  - test_gio: |
      cd gio
-     go test ./...
+     go test -race ./...
      GOOS=windows go test -exec=wine ./...
  - test_example: |
      cd gio/example
-     go test ./...
+     go test -race ./...
  - test_cmd: |
      cd gio/cmd
      go test ./...
diff --git a/cmd/gogio/wayland_test.go b/cmd/gogio/wayland_test.go
index bd93aa77..d98f2279 100644
--- a/cmd/gogio/wayland_test.go
+++ b/cmd/gogio/wayland_test.go
@@ -72,7 +72,7 @@ func (d *WaylandTestDriver) Start(t_ *testing.T, path string, width, height int)
 	cleanups = append(cleanups, func() { os.RemoveAll(dir) })
 
 	bin := filepath.Join(dir, "red")
-	cmd := exec.Command("go", "build", "-tags", "nox11", "-o="+bin, path)
+	cmd := exec.Command("go", "build", "-race", "-tags", "nox11", "-o="+bin, path)
 	if out, err := cmd.CombinedOutput(); err != nil {
 		d.t.Fatalf("could not build app: %s:\n%s", err, out)
 	}
diff --git a/cmd/gogio/x11_test.go b/cmd/gogio/x11_test.go
index 8df1cf6a..05a1f147 100644
--- a/cmd/gogio/x11_test.go
+++ b/cmd/gogio/x11_test.go
@@ -69,7 +69,7 @@ func (d *X11TestDriver) Start(t_ *testing.T, path string, width, height int) (cl
 	cleanups = append(cleanups, func() { os.RemoveAll(dir) })
 
 	bin := filepath.Join(dir, "red")
-	cmd := exec.Command("go", "build", "-tags", "nowayland", "-o="+bin, path)
+	cmd := exec.Command("go", "build", "-race", "-tags", "nowayland", "-o="+bin, path)
 	if out, err := cmd.CombinedOutput(); err != nil {
 		d.t.Fatalf("could not build app: %s:\n%s", err, out)
 	}