diff --git a/src/main/java/fr/titionfire/ffsaf/utils/Utils.java b/src/main/java/fr/titionfire/ffsaf/utils/Utils.java
index 8d5c166..b3e4fb2 100644
--- a/src/main/java/fr/titionfire/ffsaf/utils/Utils.java
+++ b/src/main/java/fr/titionfire/ffsaf/utils/Utils.java
@@ -48,25 +48,25 @@ public class Utils {
         int birthYear = toCalendar(birth_date).get(Calendar.YEAR);
 
         int diff = currentSaison - birthYear;
-        if (diff < 6) {
+        if (diff < 7) {
             return Categorie.SUPER_MINI;
-        } else if (diff < 8) {
+        } else if (diff < 9) {
             return Categorie.MINI_POUSSIN;
-        } else if (diff < 10) {
+        } else if (diff < 11) {
             return Categorie.POUSSIN;
-        } else if (diff < 12) {
+        } else if (diff < 13) {
             return Categorie.BENJAMIN;
-        } else if (diff < 14) {
+        } else if (diff < 15) {
             return Categorie.MINIME;
-        } else if (diff < 16) {
+        } else if (diff < 17) {
             return Categorie.CADET;
-        } else if (diff < 18) {
+        } else if (diff < 19) {
             return Categorie.JUNIOR;
-        } else if (diff < 24) {
+        } else if (diff < 25) {
             return Categorie.SENIOR1;
-        } else if (diff < 34) {
+        } else if (diff < 35) {
             return Categorie.SENIOR2;
-        } else if (diff < 44) {
+        } else if (diff < 45) {
             return Categorie.VETERAN1;
         } else {
             return Categorie.VETERAN2;
diff --git a/src/main/webapp/src/utils/Tools.js b/src/main/webapp/src/utils/Tools.js
index f4ad563..8d87458 100644
--- a/src/main/webapp/src/utils/Tools.js
+++ b/src/main/webapp/src/utils/Tools.js
@@ -17,25 +17,25 @@ export function getCategoryFormBirthDate(birth_date, currentDate = new Date()) {
     const birthYear = birth_date.getFullYear()
 
     const diff = currentSaison - birthYear;
-    if (diff < 6) {
+    if (diff < 7) {
         return "SUPER_MINI";
-    } else if (diff < 8) {
+    } else if (diff < 9) {
         return "MINI_POUSSIN";
-    } else if (diff < 10) {
+    } else if (diff < 11) {
         return "POUSSIN";
-    } else if (diff < 12) {
+    } else if (diff < 13) {
         return "BENJAMIN";
-    } else if (diff < 14) {
+    } else if (diff < 15) {
         return "MINIME";
-    } else if (diff < 16) {
+    } else if (diff < 17) {
         return "CADET";
-    } else if (diff < 18) {
+    } else if (diff < 19) {
         return "JUNIOR";
-    } else if (diff < 24) {
+    } else if (diff < 25) {
         return "SENIOR1";
-    } else if (diff < 34) {
+    } else if (diff < 35) {
         return "SENIOR2";
-    } else if (diff < 44) {
+    } else if (diff < 45) {
         return "VETERAN1";
     } else {
         return "VETERAN2";