diff --git a/Dockerfile b/Dockerfile
index 61af026..a948111 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.13.0a3-alpine3.18
+FROM python:3.13.0a4-alpine3.18
 
 RUN apk upgrade && apk add curl && apk upgrade busybox # CVE-2022-48174
 
diff --git a/requirements.txt b/requirements.txt
index e1d2620..39008b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,5 @@ requests~=2.31.0
 pymongo~=4.3.3
 waitress~=2.1.2
 colorlog~=6.7.0
-bleach~=6.0.0
\ No newline at end of file
+bleach~=6.0.0
+dnspython>=2.6.0rc1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file