diff --git a/requirements.txt b/requirements.txt
index 8bd5d1e..fb8765b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,12 +1,12 @@
 Shapely==1.7.0 
 cycler==0.10.0 
 geographiclib==1.50 
-geopy==1.21.0
+geopy=1.21.0
 kiwisolver==1.2.0 
 matplotlib==3.2.1 
 numpy~=1.18.4
 numpy-stl==2.11.2 
-pandas==1.0.3 
+pandas=1.0.3
 pip~=20.1
 pyny3d==0.2 
 pyparsing~=2.4.7
@@ -15,7 +15,7 @@ python-dateutil==2.8.1
 python-utils==2.4.0 
 pytz~=2020.1
 scipy==1.4.1 
-setuptools==46.1.3 
+setuptools=~46.1.3
 six==1.14.0 
 stl==0.0.3 
 xmltodict==0.12.0