diff --git a/ext/errorcodes.rb b/ext/errorcodes.rb old mode 100755 new mode 100644 diff --git a/ext/extconf.rb b/ext/extconf.rb old mode 100755 new mode 100644 diff --git a/misc/openssl-pg-segfault.rb b/misc/openssl-pg-segfault.rb old mode 100755 new mode 100644 diff --git a/sample/array_insert.rb b/sample/array_insert.rb old mode 100755 new mode 100644 diff --git a/sample/async_api.rb b/sample/async_api.rb old mode 100755 new mode 100644 diff --git a/sample/async_copyto.rb b/sample/async_copyto.rb old mode 100755 new mode 100644 diff --git a/sample/async_mixed.rb b/sample/async_mixed.rb old mode 100755 new mode 100644 diff --git a/sample/check_conn.rb b/sample/check_conn.rb old mode 100755 new mode 100644 diff --git a/sample/copydata.rb b/sample/copydata.rb old mode 100755 new mode 100644 diff --git a/sample/copyfrom.rb b/sample/copyfrom.rb old mode 100755 new mode 100644 diff --git a/sample/copyto.rb b/sample/copyto.rb old mode 100755 new mode 100644 diff --git a/sample/cursor.rb b/sample/cursor.rb old mode 100755 new mode 100644 diff --git a/sample/disk_usage_report.rb b/sample/disk_usage_report.rb old mode 100755 new mode 100644 diff --git a/sample/issue-119.rb b/sample/issue-119.rb old mode 100755 new mode 100644 diff --git a/sample/losample.rb b/sample/losample.rb old mode 100755 new mode 100644 diff --git a/sample/minimal-testcase.rb b/sample/minimal-testcase.rb old mode 100755 new mode 100644 diff --git a/sample/notify_wait.rb b/sample/notify_wait.rb old mode 100755 new mode 100644 diff --git a/sample/pg_statistics.rb b/sample/pg_statistics.rb old mode 100755 new mode 100644 diff --git a/sample/replication_monitor.rb b/sample/replication_monitor.rb old mode 100755 new mode 100644 diff --git a/sample/test_binary_values.rb b/sample/test_binary_values.rb old mode 100755 new mode 100644 diff --git a/sample/wal_shipper.rb b/sample/wal_shipper.rb old mode 100755 new mode 100644 diff --git a/sample/warehouse_partitions.rb b/sample/warehouse_partitions.rb old mode 100755 new mode 100644