diff --git a/requirements.txt b/requirements.txt
index 66402d05..46712261 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,9 @@
 attrs>=19.2.0
-compas==1.16.0
-networkx>=2.5
-numpy
-progressbar2>=3.53
-pyclipper>=1.2.0
-rdp>=0.8
-libigl>=2.4.1
+compas>=1.16.0,<2.0.0
+networkx>=2.5,<3.2
+numpy<=1.23.2
+progressbar2>=3.53,<4.4
+pyclipper>=1.2.0,<1.3.0
+rdp==0.8
+libigl>=2.4.1,<2.5.0
+p
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 09ea6c8c..1d7899f7 100644
--- a/setup.py
+++ b/setup.py
@@ -44,11 +44,6 @@ def read(*names, **kwargs):
         "Operating System :: Unix",
         "Operating System :: POSIX",
         "Operating System :: Microsoft :: Windows",
-        "Programming Language :: Python",
-        "Programming Language :: Python :: 2.7",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: Implementation :: CPython",
@@ -63,7 +58,7 @@ def read(*names, **kwargs):
     include_package_data=True,
     zip_safe=False,
     install_requires=[requirements],
-    python_requires=">=2.7",
+    python_requires=">=3.8",
     extras_require=optional_requirements,
     entry_points={
         "console_scripts": [],