diff --git a/requirements.txt b/requirements.txt
index 0086a89..612c3b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # Core runtime and training dependencies for the published MalStat snapshot.
 # Tested with Python 3.13.13 on 2026-05-31.
-capstone==5.0.7
+capstone==5.0.9
 Jinja2==3.1.6
 joblib==1.5.3
 lief==0.17.6