diff --git a/base/Dockerfile b/base/Dockerfile
index c9b89db..a4141cb 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -1,4 +1,4 @@
-ARG BUILD_FROM=alpine:3.16.1
+ARG BUILD_FROM=alpine:3.16.2
 # hadolint ignore=DL3006
 FROM ${BUILD_FROM}
 
@@ -45,7 +45,7 @@ RUN \
         bash=5.1.16-r2 \
         curl=7.83.1-r2 \
         jq=1.6-r1 \
-        tzdata=2022a-r0 \
+        tzdata=2022c-r0 \
     \
     && S6_VERSION="3.1.1.2" \
     && S6_ARCH="${BUILD_ARCH}" \
diff --git a/base/build.yaml b/base/build.yaml
index 41a2e49..58129e5 100644
--- a/base/build.yaml
+++ b/base/build.yaml
@@ -1,9 +1,9 @@
 ---
 build_from:
-  aarch64: arm64v8/alpine:3.16.1
-  amd64: amd64/alpine:3.16.1
-  armhf: arm32v6/alpine:3.16.1
-  armv7: arm32v7/alpine:3.16.1
-  i386: i386/alpine:3.16.1
+  aarch64: arm64v8/alpine:3.16.2
+  amd64: amd64/alpine:3.16.2
+  armhf: arm32v6/alpine:3.16.2
+  armv7: arm32v7/alpine:3.16.2
+  i386: i386/alpine:3.16.2
 codenotary:
   signer: codenotary@frenck.dev