diff --git a/backend/accounts-service/Dockerfile b/backend/accounts-service/Dockerfile
index 2df5da2..5707085 100644
--- a/backend/accounts-service/Dockerfile
+++ b/backend/accounts-service/Dockerfile
@@ -1,5 +1,5 @@
 # Build context must be backend/ (the workspace root).
-FROM rust:1-slim AS builder
+FROM rust:1-trixie AS builder
 RUN apt-get update && apt-get install -y --no-install-recommends \
     protobuf-compiler pkg-config libssl-dev ca-certificates \
     && rm -rf /var/lib/apt/lists/*
@@ -11,7 +11,7 @@ COPY gateway ./gateway
 COPY configs-service ./configs-service
 RUN cargo build --release -p accounts-service
 
-FROM debian:bookworm-slim
+FROM debian:trixie-slim
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates libssl3 \
     && rm -rf /var/lib/apt/lists/*
diff --git a/backend/configs-service/Dockerfile b/backend/configs-service/Dockerfile
index 25d4a02..ab19428 100644
--- a/backend/configs-service/Dockerfile
+++ b/backend/configs-service/Dockerfile
@@ -1,5 +1,5 @@
 # Build context must be backend/ (the workspace root).
-FROM rust:1-slim AS builder
+FROM rust:1-trixie AS builder
 RUN apt-get update && apt-get install -y --no-install-recommends \
     protobuf-compiler pkg-config libssl-dev ca-certificates \
     && rm -rf /var/lib/apt/lists/*
@@ -11,7 +11,7 @@ COPY gateway ./gateway
 COPY configs-service ./configs-service
 RUN cargo build --release -p configs-service
 
-FROM debian:bookworm-slim
+FROM debian:trixie-slim
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates libssl3 \
     && rm -rf /var/lib/apt/lists/*
diff --git a/backend/gateway/Dockerfile b/backend/gateway/Dockerfile
index 67d2f15..fead616 100644
--- a/backend/gateway/Dockerfile
+++ b/backend/gateway/Dockerfile
@@ -1,5 +1,5 @@
 # Build context must be backend/ (the workspace root).
-FROM rust:1-slim AS builder
+FROM rust:1-trixie AS builder
 RUN apt-get update && apt-get install -y --no-install-recommends \
     protobuf-compiler pkg-config libssl-dev ca-certificates \
     && rm -rf /var/lib/apt/lists/*
@@ -11,7 +11,7 @@ COPY gateway ./gateway
 COPY configs-service ./configs-service
 RUN cargo build --release -p gateway
 
-FROM debian:bookworm-slim
+FROM debian:trixie-slim
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates libssl3 \
     && rm -rf /var/lib/apt/lists/*