diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index 55f75d1..d016d29 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -15,7 +15,7 @@ COPY ./Makefile ${WORKDIR}/
 
 SHELL ["/bin/ash", "-o", "pipefail", "-c"]
 RUN apk --update add --no-cache \
-  "ca-certificates=20260909-r0" \
+  "ca-certificates=20261020-r0" \
   "tzdata=2026e-r0" \
   "gcompat=1.1.0-r4" \
   && update-ca-certificates \