diff --git a/Dockerfile b/Dockerfile
index 6a88702..78a0e6e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,14 +2,19 @@ FROM debian:12.6 as stage
 ARG PACKAGE_BASEURL=https://download.zerotier.com/debian/bookworm/pool/main/z/zerotier-one
 ARG ARCH=amd64
 ARG VERSION=1.12.2
-RUN apt-get update -qq && apt-get install -qq --no-install-recommends -y ca-certificates curl
+RUN apt-get update -qq && apt-get install -qq --no-install-recommends -y \
+    ca-certificates=20230311+deb12u1 \
+    curl=7.88.1-10+deb12u14
 RUN curl -sSL -o zerotier-one.deb "${PACKAGE_BASEURL}/zerotier-one_${VERSION}_${ARCH}.deb"
 
 FROM debian:12.6
 RUN mkdir /app
 WORKDIR /app
 COPY --from=stage zerotier-one.deb .
-RUN apt-get update -qq && apt-get install -qq --no-install-recommends -y procps iptables openssl \
+RUN apt-get update -qq && apt-get install -qq --no-install-recommends -y \
+    procps=2:4.0.2-3 \
+    iptables=1.8.9-2 \
+    openssl=3.0.17-1~deb12u3 \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 RUN dpkg -i zerotier-one.deb && rm -f zerotier-one.deb