diff --git a/stix_shifter/requirements.txt b/stix_shifter/requirements.txt
index 67f51de5d..36ccc4899 100644
--- a/stix_shifter/requirements.txt
+++ b/stix_shifter/requirements.txt
@@ -18,4 +18,4 @@ stix2-matcher==3.0.0
 stix2-patterns==1.3.2
 xmltodict==0.13.0
 urllib3==1.26.17
-regex==2023.8.8
\ No newline at end of file
+regex==2023.10.3
\ No newline at end of file