diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0172546..8593dc4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,20 @@ All user visible changes to this project will be documented in this file. This p
 
 
 
+## [alpine3.16-r4] · 2022-10-28
+[alpine3.16-r4]: /../../tree/alpine3.16-r4
+
+[Diff](/../../compare/alpine3.16-r3...alpine3.16-r4)
+
+### Added
+
+- Support of `TZ` environment variable. ([#14])
+
+[#14]: /../../pull/14
+
+
+
+
 ## [alpine3.16-r3] · 2022-08-10
 [alpine3.16-r3]: /../../tree/alpine3.16-r3
 
diff --git a/Dockerfile b/Dockerfile
index 19a5b37..ef8b944 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
 # https://hub.docker.com/_/alpine
 ARG alpine_ver=3.16
-FROM alpine:${alpine_ver}.2
+FROM alpine:${alpine_ver}
 
-ARG build_rev=3
+ARG build_rev=4
 
 
 # Install Rsync and SSH.
@@ -12,6 +12,6 @@ RUN apk update \
             rsync \
             openssh-client-default \
             sshpass \
-            ca-certificates \
+            ca-certificates tzdata \
  && update-ca-certificates \
  && rm -rf /var/cache/apk/*
diff --git a/README.md b/README.md
index aa0fa94..4cc8ffd 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Rsync + SSH Docker image
 
 ## Supported tags and respective `Dockerfile` links
 
-- [`alpine3.16-r3`, `alpine3.16`, `alpine`, `latest`][d1]
+- [`alpine3.16-r4`, `alpine3.16`, `alpine`, `latest`][d1]
 
 
 
diff --git a/tests/main.bats b/tests/main.bats
index 8bf43e2..de2668e 100644
--- a/tests/main.bats
+++ b/tests/main.bats
@@ -41,3 +41,13 @@
     'rsync --help'
   [ "$status" -eq 0 ]
 }
+
+
+@test "TZ env var works ok" {
+  run docker run --rm --pull never --platform $PLATFORM \
+                 -e TZ=America/Chicago \
+                 --entrypoint sh $IMAGE -c \
+    'date +%Z'
+  [ "$status" -eq 0 ]
+  [ "$output" = "CDT" ]
+}