diff --git a/rules/preprocessing.smk b/rules/preprocessing.smk
index bf641c68..61a1d6ba 100644
--- a/rules/preprocessing.smk
+++ b/rules/preprocessing.smk
@@ -247,6 +247,8 @@ rule empatica_readable_datetime:
         include_past_periodic_segments = config["TIME_SEGMENTS"]["INCLUDE_PAST_PERIODIC_SEGMENTS"]
     output:
         "data/raw/{pid}/empatica_{sensor}_with_datetime.csv"
+    resources:
+        mem_mb=100000
     script:
         "../src/data/datetime/readable_datetime.R"