diff --git a/src/lib.rs b/src/lib.rs
index b6b6707..2d82fb3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -774,4 +774,4 @@ impl Index<PointId> for [ZeroNode] {
 /// The parameter `M` from the paper
 ///
 /// This should become a generic argument to `Hnsw` when possible.
-const M: usize = 24;
+const M: usize = 32;