diff --git a/pyproject.toml b/pyproject.toml
index b6969a4..760d328 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ name = "build-fpga"  # REQUIRED, is the only field that cannot be marked as dyna
 # https://packaging.python.org/guides/single-sourcing-package-version/
 
 # dynamic = ["version"]
-version = "0.3.3"  # REQUIRED, although can be dynamic
+version = "0.4.0"  # REQUIRED, although can be dynamic
 
 # This is a one-line description or tagline of what your project does. This
 # corresponds to the "Summary" metadata field:
diff --git a/src/build_fpga/build_fpga.py b/src/build_fpga/build_fpga.py
index 55217fd..38bf26b 100644
--- a/src/build_fpga/build_fpga.py
+++ b/src/build_fpga/build_fpga.py
@@ -24,7 +24,7 @@ def build_fpga_main():
         cfg = yaml.safe_load(cfg_file)
 
     if (cfg["tool"] == "efinity"):
-        efinity.create_project(cfg)
+        efinity.build_project(cfg)
     elif (cfg["tool"] == "vivado"):
         vivado.build_nonprj(cfg)
 
diff --git a/src/build_fpga/efinity/efinity.py b/src/build_fpga/efinity/efinity.py
index 98b7ae1..a94866c 100644
--- a/src/build_fpga/efinity/efinity.py
+++ b/src/build_fpga/efinity/efinity.py
@@ -7,7 +7,7 @@ from rtl_manifest import read_sources
 TAG="{http://www.efinixinc.com/enf_proj}"
 
 
-def create_project(cfg):
+def create_project(cfg, filename):
     script_dir = os.path.dirname(__file__)
 
     # print(cfg)
@@ -79,7 +79,11 @@ def create_project(cfg):
 
 
     ET.indent(tree, '    ')
-    tree.write(f"{cfg["prj_info"]["name"]}.xml", encoding="utf-8", xml_declaration=False)
+    tree.write(f"{filename}", encoding="utf-8", xml_declaration=False)
+
+def build_project(cfg):
+    name = f"{cfg['prj_info']['name']}.xml"
+    create_project(cfg, name)
+    os.mkdir("output")
+    os.system(f"efx_run --prj {name} --output_dir outflow --work_dir work")
 
-if __name__ == "__main__":
-    create_project(None)
\ No newline at end of file