diff --git a/build/Dockerfile b/build/Dockerfile
index 1f123f8..dff44cc 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -2,12 +2,13 @@ FROM golang:trixie AS build
 
 ARG VERSION
 
-RUN apt-get update && apt-get install -y \
+RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \
     libsecret-1-dev \
     libfido2-dev \
     libcbor-dev \
-    pass
+    pass \
+    && rm -rf /var/lib/apt/lists/*
 
 # Build
 ADD https://github.com/ProtonMail/proton-bridge.git#${VERSION} /build/proton-bridge/
@@ -15,13 +16,13 @@ WORKDIR /build/proton-bridge/
 RUN sed -i 's/127.0.0.1/0.0.0.0/g' internal/constants/constants.go
 RUN make build-nogui vault-editor
 
-FROM debian:trixie
+FROM debian:trixie-slim
 
 EXPOSE 1025/tcp
 EXPOSE 1143/tcp
 
 # Install dependencies and protonmail bridge
-RUN apt-get update && apt-get install -y \
+RUN apt-get update && apt-get install -y --no-install-recommends \
     gnupg \
     pass \
     libsecret-1-0 \