diff --git a/build.zig b/build.zig
index c5ec3b8..09a395e 100644
--- a/build.zig
+++ b/build.zig
@@ -4,6 +4,7 @@ pub const Backend = enum {
     no_backend,
     glfw_wgpu,
     win32_dx12,
+    glfw_opengl3,
 };
 
 pub const BuildOptions = struct {
@@ -68,6 +69,10 @@ pub fn link(exe: *std.build.LibExeObjStep, bos: BuildOptionsStep) void {
             exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_glfw.cpp", cflags);
             exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_wgpu.cpp", cflags);
         },
+        .glfw_opengl3 => {
+            exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_glfw.cpp", cflags);
+            exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_opengl3.cpp", cflags);
+        },
         .win32_dx12 => {
             exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_win32.cpp", cflags);
             exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_dx12.cpp", cflags);