diff --git a/_meta/setup.cfg b/_meta/setup.cfg
index 4431dac..704413b 100644
--- a/_meta/setup.cfg
+++ b/_meta/setup.cfg
@@ -16,7 +16,7 @@ classifiers =
 
 [options]
 zip_safe = false
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 
 install_requires =
     indico>=3.0rc1
diff --git a/citadel/setup.cfg b/citadel/setup.cfg
index 1c18f81..f595c60 100644
--- a/citadel/setup.cfg
+++ b/citadel/setup.cfg
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
     indico-plugin-livesync>=3.0.dev0
diff --git a/livesync/setup.cfg b/livesync/setup.cfg
index 496609c..daf1602 100644
--- a/livesync/setup.cfg
+++ b/livesync/setup.cfg
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
 
diff --git a/livesync_debug/setup.cfg b/livesync_debug/setup.cfg
index c15c9ee..ff579c9 100644
--- a/livesync_debug/setup.cfg
+++ b/livesync_debug/setup.cfg
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
     indico-plugin-livesync>=3.0.dev0
diff --git a/payment_manual/setup.cfg b/payment_manual/setup.cfg
index 4666012..211e711 100644
--- a/payment_manual/setup.cfg
+++ b/payment_manual/setup.cfg
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
 
diff --git a/payment_paypal/setup.cfg b/payment_paypal/setup.cfg
index 35c1b17..bc1c25a 100644
--- a/payment_paypal/setup.cfg
+++ b/payment_paypal/setup.cfg
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
 
diff --git a/piwik/setup.cfg b/piwik/setup.cfg
index dcebc3a..711d16a 100644
--- a/piwik/setup.cfg
+++ b/piwik/setup.cfg
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
 
diff --git a/previewer_code/setup.cfg b/previewer_code/setup.cfg
index 3d81da5..a910b14 100644
--- a/previewer_code/setup.cfg
+++ b/previewer_code/setup.cfg
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
     Pygments>=2.7.2,<3
diff --git a/previewer_jupyter/setup.cfg b/previewer_jupyter/setup.cfg
index 102e04b..a4acdc7 100644
--- a/previewer_jupyter/setup.cfg
+++ b/previewer_jupyter/setup.cfg
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
     nbconvert==5.6.1
diff --git a/storage_s3/setup.cfg b/storage_s3/setup.cfg
index 062f9a0..8395bc5 100644
--- a/storage_s3/setup.cfg
+++ b/storage_s3/setup.cfg
@@ -16,7 +16,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
     boto3>=1.14.30,<2.0
diff --git a/themes_legacy/setup.cfg b/themes_legacy/setup.cfg
index 629a850..64dd99c 100644
--- a/themes_legacy/setup.cfg
+++ b/themes_legacy/setup.cfg
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
 
diff --git a/ursh/setup.cfg b/ursh/setup.cfg
index 3092678..62e7bb3 100644
--- a/ursh/setup.cfg
+++ b/ursh/setup.cfg
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
 
diff --git a/vc_dummy/setup.cfg b/vc_dummy/setup.cfg
index f93de37..d766f79 100644
--- a/vc_dummy/setup.cfg
+++ b/vc_dummy/setup.cfg
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
 
diff --git a/vc_zoom/setup.cfg b/vc_zoom/setup.cfg
index 587c539..8c62573 100644
--- a/vc_zoom/setup.cfg
+++ b/vc_zoom/setup.cfg
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = ~=3.9
+python_requires = ~=3.9.0
 install_requires =
     indico>=3.0.dev0
     PyJWT>=2.0.0,<3