diff --git a/docker/Dockerfile.proxy b/docker/Dockerfile.proxy
index e2ea204a..a803e089 100644
--- a/docker/Dockerfile.proxy
+++ b/docker/Dockerfile.proxy
@@ -4,10 +4,10 @@ FROM golang:1.20.6-alpine3.18 AS builder
 ARG EXTRA_BUILD_ARGS
 
 RUN apk add \
-  bash \
-  build-base \
-  python3 \
-  git
+    bash \
+    build-base \
+    python3 \
+    git
 
 WORKDIR /code
 
@@ -16,7 +16,7 @@ COPY . .
 RUN make clean split-proxy entrypoints EXTRA_BUILD_ARGS="${EXTRA_BUILD_ARGS}"
 
 # Runner stage
-FROM alpine:3.18.2 AS runner
+FROM alpine:3.18.4 AS runner
 
 RUN apk add bash
 
diff --git a/docker/Dockerfile.synchronizer b/docker/Dockerfile.synchronizer
index 4d10cc1f..b70e05e2 100644
--- a/docker/Dockerfile.synchronizer
+++ b/docker/Dockerfile.synchronizer
@@ -4,10 +4,10 @@ FROM golang:1.20.6-alpine3.18 AS builder
 ARG EXTRA_BUILD_ARGS
 
 RUN apk add \
-  bash \
-  build-base \
-  python3 \
-  git
+    bash \
+    build-base \
+    python3 \
+    git
 
 WORKDIR /code
 
@@ -16,7 +16,7 @@ COPY . .
 RUN make clean split-sync entrypoints EXTRA_BUILD_ARGS="${EXTRA_BUILD_ARGS}"
 
 # Runner stage
-FROM alpine:3.18.2 AS runner
+FROM alpine:3.18.4 AS runner
 
 RUN apk add bash