diff --git a/crates/calc/src/recalc.rs b/crates/calc/src/recalc.rs
index 2aa23645c..cfef5f478 100644
--- a/crates/calc/src/recalc.rs
+++ b/crates/calc/src/recalc.rs
@@ -571,7 +571,7 @@ impl Calc {
                 if let Some(r) = changed_range {
                     let mut deps = Vec::new();
                     self.graph.dependents_of_range(k.0, r, &mut deps);
-                    spill_changes.extend(deps);
+                    spill_changes.extend(deps.into_iter().filter(|d| d != k));
                 }
                 if let Some(o) = old
                     && !sheet.spill_ranges.get(&k.1).is_some_and(|n| n.contains(o.start) && n.contains(o.end))
@@ -599,7 +599,6 @@ impl Calc {
             }
             spill_changes.sort_by_key(|(s, c)| (*s, c.row, c.col));
             spill_changes.dedup();
-            spill_changes.retain(|k| !spills.contains_key(k));
             if spill_changes.is_empty() {
                 break;
             }
diff --git a/crates/engine/src/tests.rs b/crates/engine/src/tests.rs
index c90802128..72d67f5cd 100644
--- a/crates/engine/src/tests.rs
+++ b/crates/engine/src/tests.rs
@@ -206,6 +206,19 @@ fn a_spill_that_goes_away_unblocks_another() {
     assert_eq!((v(&s, "E10"), v(&s, "G10")), (Value::Number(1.0), Value::Number(3.0)));
 }
 
+#[test]
+fn an_array_reading_another_arrays_spill_is_updated() {
+    // G5 is evaluated before D11 in the same pass, so it first reads D11's old spill.
+    let mut s = s();
+    s.execute("cell.set", json!({"cell": "A1", "input": "1"})).unwrap();
+    s.execute("cell.set", json!({"cell": "D11", "input": "=SEQUENCE(1,3,A1)"})).unwrap();
+    s.execute("cell.set", json!({"cell": "G5", "input": "=UNIQUE(VSTACK(F9:F12,A1))"})).unwrap();
+    s.execute("cell.set", json!({"cell": "A1", "input": "10"})).unwrap();
+    assert_eq!((v(&s, "G6"), v(&s, "G7")), (Value::Number(12.0), Value::Number(10.0)));
+    s.execute("formulas.calculateNow", json!({})).unwrap();
+    assert_eq!((v(&s, "G6"), v(&s, "G7")), (Value::Number(12.0), Value::Number(10.0)));
+}
+
 #[test]
 fn every_command_survives_empty_params() {
     let mut s = Session::new();