diff --git a/Datasets/emails.csv b/Datasets/emails.csv
old mode 100755
new mode 100644
diff --git a/Datasets/sales_data_sample.csv b/Datasets/sales_data_sample.csv
old mode 100755
new mode 100644
diff --git a/Datasets/uber.csv b/Datasets/uber.csv
old mode 100755
new mode 100644