diff --git a/infrastructure/iam/alpha-engine-executor-role/alpha-engine-s3-access.json b/infrastructure/iam/alpha-engine-executor-role/alpha-engine-s3-access.json
index cf08c5f..4cba482 100644
--- a/infrastructure/iam/alpha-engine-executor-role/alpha-engine-s3-access.json
+++ b/infrastructure/iam/alpha-engine-executor-role/alpha-engine-s3-access.json
@@ -43,7 +43,8 @@
                 "arn:aws:s3:::alpha-engine-research/predictor/predictions/*",
                 "arn:aws:s3:::alpha-engine-research/predictor/price_cache/*",
                 "arn:aws:s3:::alpha-engine-research/predictor/price_cache_slim/*",
-                "arn:aws:s3:::alpha-engine-research/predictor/metrics/*"
+                "arn:aws:s3:::alpha-engine-research/predictor/metrics/*",
+                "arn:aws:s3:::alpha-engine-research/reference/price_cache/*"
             ]
         },
         {