diff --git a/4.0/Dockerfile b/4.0/Dockerfile
index 8234268..7e072dc 100644
--- a/4.0/Dockerfile
+++ b/4.0/Dockerfile
@@ -90,8 +90,8 @@ ENV GPG_KEYS \
 # Berenguer Blasi (Code Signing Key) <bereng@apache.org>
 	CEC5C50B9C629EF0F5AB2706650B72EB14CCD622
 
-ENV CASSANDRA_VERSION 4.0.12
-ENV CASSANDRA_SHA512 65de9cc32f3d22d55f5c7c3b1417285a41aabb70fa8a4ae8d9d85a58e644f43151bf4f386cc45773b6ac317db38c4576b139ca6b6fcdbbd16993d09ee2a5c2b8
+ENV CASSANDRA_VERSION 4.0.13
+ENV CASSANDRA_SHA512 4172ef70aa4c51fb463c62019643c1d62c16f6c9a175ff4d9d1e869b234983a68694a4167946a3f70d4556f8c5f2494b809090e2cec3cb327956478028e95bf5
 
 RUN set -eux; \
 	savedAptMark="$(apt-mark showmanual)"; \
diff --git a/versions.json b/versions.json
index 80caf28..b263975 100644
--- a/versions.json
+++ b/versions.json
@@ -22,8 +22,8 @@
     }
   },
   "4.0": {
-    "version": "4.0.12",
-    "sha512": "65de9cc32f3d22d55f5c7c3b1417285a41aabb70fa8a4ae8d9d85a58e644f43151bf4f386cc45773b6ac317db38c4576b139ca6b6fcdbbd16993d09ee2a5c2b8",
+    "version": "4.0.13",
+    "sha512": "4172ef70aa4c51fb463c62019643c1d62c16f6c9a175ff4d9d1e869b234983a68694a4167946a3f70d4556f8c5f2494b809090e2cec3cb327956478028e95bf5",
     "java": {
       "version": "11"
     },