diff --git a/setup.cfg b/setup.cfg
index 92ca41b..75ecfee 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,12 +20,12 @@ package_dir =
     =src
 packages = find:
 include_package_data = True
-python_requires =  "=3.8"
+python_requires =  >=3.8
 install_requires =
-    click="7.1.2"
-    daiquiri="3.0.0"
-    lxml="4.6.2"
-    rfc3986="1.4.0"
+    click==7.1.2
+    daiquiri==3.0.0
+    lxml==4.6.2
+    rfc3986==1.4.0
 
 [options.packages.find]
 where = src
diff --git a/setup.py b/setup.py
index 4c31031..b511fe1 100644
--- a/setup.py
+++ b/setup.py
@@ -41,8 +41,8 @@
     packages=find_packages(where="src", include=["metapype", "metapype.eml", "metapype.model"]),
     package_dir={"": "src"},
     include_package_data=True,
-    python_requires=" = 3.8.*",
-    install_requires=["click=7.1.2", "daiquiri=3.0.0",  "lxml=4.6.2", "rfc3986=1.4.0"],
+    python_requires=" == 3.8.*",
+    install_requires=["click==7.1.2", "daiquiri==3.0.0",  "lxml==4.6.2", "rfc3986==1.4.0"],
     classifiers=["License :: OSI Approved :: Apache Software License",],
 )