diff --git a/CMakeLists.txt b/CMakeLists.txt
index e95068d..fe13500 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.1.0..3.14)
+cmake_minimum_required(VERSION 3.5)
 
 project(nlopt-python)
 
diff --git a/extensions.py b/extensions.py
index 63ae616..feade1b 100644
--- a/extensions.py
+++ b/extensions.py
@@ -80,7 +80,7 @@ def build_extension(self, ext: Extension):
         ], cwd=build_dir)
 
         # Copy over the important bits
-        nlopt_py = build_dir / "extern" / "nlopt" / "src" / "swig" / "nlopt.py"
+        nlopt_py = build_dir / "extern" / "nlopt" / "src" / "swig" / "python" / "nlopt.py"
 
         logging.info(f"Ext Dir - {ext_dir}\n" + '\n'.join(f'  - {file.as_posix()}' for file in ext_dir.rglob('*')))
         for folder in [ext_dir, nlopt_py.parent]:
diff --git a/extern/nlopt b/extern/nlopt
index 11cff2c..7d04da1 160000
--- a/extern/nlopt
+++ b/extern/nlopt
@@ -1 +1 @@
-Subproject commit 11cff2c773b4b98821915a72179f4667c307ce6d
+Subproject commit 7d04da19236148f9ae9d8dfa470a2264f5d2aa33