diff --git a/requirements.txt b/requirements.txt
index 4750364..3bece69 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 cryptography==35.0.0
 iso3166==2.0.2
 packaging==21.2
-requests==2.26.0
+requests>=2.26.0
 ruamel.yaml==0.17.19
diff --git a/spid_compliant_certificates/__init__.py b/spid_compliant_certificates/__init__.py
index 6d09d54..d28eac7 100644
--- a/spid_compliant_certificates/__init__.py
+++ b/spid_compliant_certificates/__init__.py
@@ -28,7 +28,7 @@
 _min = 3
 
 # micro version
-_mic = 0
+_mic = 1
 
 # release level (alpha, beta, rc, final)
 _rel = 'final'