diff --git a/setup.py b/setup.py
index 0d84fb84..ee33c91b 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
     'triangle',
     'psycopg2-binary',
     'liblas',
-    'laspy',
+    'laspy==1.7.1',
     'numba',
     'pyproj',
     'psutil',