diff --git a/CHANGELOG.md b/CHANGELOG.md
index 576da79..5acb677 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 7.3.3 2024-12-07 <dave at tiredofit dot ca>
+
+   ### Added
+      - Pin to tiredofit/alpine:3.21-7.10.24
+
+
 ## 7.3.2 2024-10-03 <dave at tiredofit dot ca>
 
    ### Changed
diff --git a/Dockerfile b/Dockerfile
index 9664d37..b7fadd3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ARG DISTRO="alpine"
-ARG DISTRO_VARIANT="3.20"
+ARG DISTRO_VARIANT="3.21"
 
-FROM docker.io/tiredofit/${DISTRO}:${DISTRO_VARIANT}-7.10.15
+FROM docker.io/tiredofit/${DISTRO}:${DISTRO_VARIANT}-7.10.24
 LABEL maintainer="Dave Conroy (github.com/tiredofit)"
 
 ENV CONTAINER_ENABLE_MESSAGING=FALSE \