diff --git a/libs/simdvec/src/test/java/org/elasticsearch/simdvec/ESVectorUtilTests.java b/libs/simdvec/src/test/java/org/elasticsearch/simdvec/ESVectorUtilTests.java
index c8598b1ce6258..9cc215ba595a7 100644
--- a/libs/simdvec/src/test/java/org/elasticsearch/simdvec/ESVectorUtilTests.java
+++ b/libs/simdvec/src/test/java/org/elasticsearch/simdvec/ESVectorUtilTests.java
@@ -284,7 +284,7 @@ public void testOsqGridPoints() {
 
     public void testSoarDistance() {
         int size = random().nextInt(128, 512);
-        float deltaEps = 1e-5f * size;
+        float deltaEps = 1e-3f * size;
         var vector = new float[size];
         var centroid = new float[size];
         var preResidual = new float[size];