diff --git a/pkg/parser/schemas/main_workflow_schema.json b/pkg/parser/schemas/main_workflow_schema.json
index 8e323c1a5d..7e19c8ece8 100644
--- a/pkg/parser/schemas/main_workflow_schema.json
+++ b/pkg/parser/schemas/main_workflow_schema.json
@@ -5146,7 +5146,7 @@
                     {
                       "type": "integer",
                       "minimum": 1,
-                      "maximum": 100
+                      "maximum": 256
                     },
                     {
                       "type": "string",
@@ -6574,7 +6574,7 @@
                     {
                       "type": "integer",
                       "minimum": 1,
-                      "maximum": 100
+                      "maximum": 256
                     },
                     {
                       "type": "string",