diff --git a/deploy/stage/smpcv2-0-stage/values-iris-mpc.yaml b/deploy/stage/smpcv2-0-stage/values-iris-mpc.yaml
index 0e42f69b7..37b869538 100644
--- a/deploy/stage/smpcv2-0-stage/values-iris-mpc.yaml
+++ b/deploy/stage/smpcv2-0-stage/values-iris-mpc.yaml
@@ -84,7 +84,7 @@ env:
     value: "1024"
 
   - name: SMPC__PAGE_LOCK_CHUNK_PERCENTAGE
-    value: "10"
+    value: "20"
 
   - name: SMPC__CLEAR_DB_BEFORE_INIT
     value: "true"
diff --git a/deploy/stage/smpcv2-1-stage/values-iris-mpc.yaml b/deploy/stage/smpcv2-1-stage/values-iris-mpc.yaml
index 05f4edd37..56caa8abd 100644
--- a/deploy/stage/smpcv2-1-stage/values-iris-mpc.yaml
+++ b/deploy/stage/smpcv2-1-stage/values-iris-mpc.yaml
@@ -84,7 +84,7 @@ env:
     value: "1024"
 
   - name: SMPC__PAGE_LOCK_CHUNK_PERCENTAGE
-    value: "10"
+    value: "20"
 
   - name: SMPC__CLEAR_DB_BEFORE_INIT
     value: "true"
diff --git a/deploy/stage/smpcv2-2-stage/values-iris-mpc.yaml b/deploy/stage/smpcv2-2-stage/values-iris-mpc.yaml
index 96a46ac24..eaadc29e3 100644
--- a/deploy/stage/smpcv2-2-stage/values-iris-mpc.yaml
+++ b/deploy/stage/smpcv2-2-stage/values-iris-mpc.yaml
@@ -84,7 +84,7 @@ env:
     value: "1024"
   
   - name: SMPC__PAGE_LOCK_CHUNK_PERCENTAGE
-    value: "10"
+    value: "20"
 
   - name: SMPC__CLEAR_DB_BEFORE_INIT
     value: "true"