diff --git a/setup.py b/setup.py
index 25d4ca9d..33964a66 100644
--- a/setup.py
+++ b/setup.py
@@ -18,25 +18,25 @@
         'Operating System :: OS Independent',
     ),
     install_requires=[
-        'flask>=1.0',
-        'geojson>=2.4',
-        'matplotlib>=3.1',
-        'mercantile>=1.0',
-        'numpy>=1.16',
-        'opencv-contrib-python-headless>=4.0',
-        'osmium>=2.15.2',
-        'pillow>=6.0',
-        'pyproj>=2.1',
-        'rasterio>=1.0',
-        'requests>=2.22',
-        'rtree>=0.8',
-        'scipy>=1.3',
-        'shapely>=1.6',
-        'supermercado>=0.0.5',
-        'toml>=0.10',
-        'torch>=1.1',
-        'torchvision>=0.3',
-        'tqdm>=4.32',
+        'flask~=1.0',
+        'geojson~=2.4',
+        'matplotlib~=3.1',
+        'mercantile~=1.0',
+        'numpy~=1.16',
+        'opencv-contrib-python-headless~=4.0',
+        'osmium==2.15.2',
+        'pillow~=6.0',
+        'pyproj~=2.1',
+        'rasterio~=1.0',
+        'requests~=2.22',
+        'rtree~=0.8',
+        'scipy~=1.3',
+        'shapely~=1.6',
+        'supermercado~=0.0.5',
+        'toml~=0.10',
+        'torch~=1.1',
+        'torchvision~=0.3',
+        'tqdm~=4.32',
     ],
     entry_points = {
         'console_scripts': [