diff --git a/changelog_entry.yaml b/changelog_entry.yaml
index e69de29bb2d..12df6af77b6 100644
--- a/changelog_entry.yaml
+++ b/changelog_entry.yaml
@@ -0,0 +1,4 @@
+- bump: minor
+  changes:
+    added:
+    - Include 18 year olds in the NYWFTC as younger children.
diff --git a/policyengine_us/reforms/states/ny/wftc/ny_working_families_tax_credit.py b/policyengine_us/reforms/states/ny/wftc/ny_working_families_tax_credit.py
index 75acb1e4042..cf6bf1426b6 100644
--- a/policyengine_us/reforms/states/ny/wftc/ny_working_families_tax_credit.py
+++ b/policyengine_us/reforms/states/ny/wftc/ny_working_families_tax_credit.py
@@ -58,7 +58,7 @@ def formula(person, period, parameters):
             is_dependent = person("is_tax_unit_dependent", period)
             age = person("age", period)
             p = parameters(period).gov.irs.dependent.ineligible_age
-            age_eligible = age < p.non_student
+            age_eligible = age <= p.non_student
             return is_dependent & age_eligible
 
     class eitc_younger_children_count(Variable):
diff --git a/policyengine_us/tests/policy/contrib/states/ny/ny_working_families_tax_credit.yaml b/policyengine_us/tests/policy/contrib/states/ny/ny_working_families_tax_credit.yaml
index 89426f7b7d7..626ec539e4a 100644
--- a/policyengine_us/tests/policy/contrib/states/ny/ny_working_families_tax_credit.yaml
+++ b/policyengine_us/tests/policy/contrib/states/ny/ny_working_families_tax_credit.yaml
@@ -161,6 +161,7 @@
         members: [person1, person2]
         state_code: NY
   output:
+    is_younger_child_dependent: [false, true]
     ny_wftc_eligible_children: 0
     ny_working_families_tax_credit: 0
     ny_eitc: 0