diff --git a/connector/rj45_hc-rj45-5ja-1.yaml b/connector/rj45_hc-rj45-5ja-1.yaml
index 5d2d9aa..c009010 100644
--- a/connector/rj45_hc-rj45-5ja-1.yaml
+++ b/connector/rj45_hc-rj45-5ja-1.yaml
@@ -50,6 +50,6 @@ housing:
   padPosition2: -4.57, -6.4, -6.85, -6.4
 
   # mounting holes
-  holeDiameter3: 2.8 # 3.2 according to recommended pattern, but neck is 2.5 and head is 3.0
+  holeDiameter3: 3.0 # 3.2 according to recommended pattern, but neck is 2.5 and head is 3.0
   # Y 15.2/2-5.0
   padPosition3: 6.35, 2.6, -6.35, 2.6