diff --git a/docker/Dockerfile.agent.alpine.multiarch b/docker/Dockerfile.agent.alpine.multiarch
index 260fd512e..86d351179 100644
--- a/docker/Dockerfile.agent.alpine.multiarch
+++ b/docker/Dockerfile.agent.alpine.multiarch
@@ -9,7 +9,7 @@ RUN --mount=type=cache,target=/root/.cache/go-build \
 
 FROM docker.io/alpine:3.19
 # renovate: datasource=repology depName=alpine_3_18/ca-certificates versioning=loose
-ENV CA_CERTIFICATES_VERSION="20230506-r0"
+ENV CA_CERTIFICATES_VERSION="20240226-r0"
 RUN apk add -U --no-cache ca-certificates=${CA_CERTIFICATES_VERSION}
 ENV GODEBUG=netdns=go
 EXPOSE 3000
diff --git a/docker/Dockerfile.cli.alpine.multiarch b/docker/Dockerfile.cli.alpine.multiarch
index fcc6737fb..f7acfda1c 100644
--- a/docker/Dockerfile.cli.alpine.multiarch
+++ b/docker/Dockerfile.cli.alpine.multiarch
@@ -9,7 +9,7 @@ RUN --mount=type=cache,target=/root/.cache/go-build \
 
 FROM docker.io/alpine:3.19
 # renovate: datasource=repology depName=alpine_3_18/ca-certificates versioning=loose
-ENV CA_CERTIFICATES_VERSION="20230506-r0"
+ENV CA_CERTIFICATES_VERSION="20240226-r0"
 RUN apk add -U --no-cache ca-certificates=${CA_CERTIFICATES_VERSION}
 ENV GODEBUG=netdns=go
 
diff --git a/docker/Dockerfile.server.alpine.multiarch b/docker/Dockerfile.server.alpine.multiarch
index 2454b557d..e066096d8 100644
--- a/docker/Dockerfile.server.alpine.multiarch
+++ b/docker/Dockerfile.server.alpine.multiarch
@@ -1,7 +1,7 @@
 FROM docker.io/alpine:3.19
 
 # renovate: datasource=repology depName=alpine_3_18/ca-certificates versioning=loose
-ENV CA_CERTIFICATES_VERSION="20230506-r0"
+ENV CA_CERTIFICATES_VERSION="20240226-r0"
 
 ARG TARGETOS TARGETARCH
 RUN apk add -U --no-cache ca-certificates=${CA_CERTIFICATES_VERSION}