diff --git a/src/humanize/i18n.py b/src/humanize/i18n.py
index 14a51bc..c6fc6cc 100644
--- a/src/humanize/i18n.py
+++ b/src/humanize/i18n.py
@@ -17,12 +17,14 @@
 _THOUSANDS_SEPARATOR = {
     "de_DE": ".",
     "fr_FR": " ",
+    "it_IT": ".",
     "pt_BR": ".",
 }
 
 # Mapping of locale to decimal separator
 _DECIMAL_SEPARATOR = {
     "de_DE": ",",
+    "it_IT": ",",
     "pt_BR": ",",
 }