diff --git a/services/correlator/Dockerfile.package b/services/correlator/Dockerfile.package
index 0408db3..daeb463 100644
--- a/services/correlator/Dockerfile.package
+++ b/services/correlator/Dockerfile.package
@@ -2,19 +2,18 @@
 # =============================================================================
 # correlator — Dockerfile de packaging RPM (Rocky Linux 8/9, AlmaLinux 10)
 # Build context: monorepo root (ja4-platform/)
-# Méthode: 1 builder Go → 1 rpm-builder (rpmbuild, 3 × dist) → 1 output alpine
+# Méthode: 1 builder Rocky → 1 rpm-builder (rpmbuild, 3 × dist) → 1 output alpine
 # =============================================================================
 
 # =============================================================================
-# Stage 1: Builder — compilation du binaire Go
-# golang:1.21 officiel (statiquement lié, CGO_ENABLED=0 → binaire portable)
+# Stage 1: Builder — compilation du binaire Go sur Rocky Linux 9
+# CGO_ENABLED=0 → binaire statique, mais compilé sur la même distro cible
 # =============================================================================
-FROM golang:1.24 AS builder
+FROM rockylinux:9 AS builder
 
 WORKDIR /build
 
-RUN apt-get update && apt-get install -y --no-install-recommends git bc && \
-    rm -rf /var/lib/apt/lists/*
+RUN dnf install -y golang git && dnf clean all
 
 # Copie du workspace Go et du module partagé en premier (meilleur cache)
 COPY go.work go.work.sum* ./
@@ -23,13 +22,12 @@ COPY services/sentinel/go.mod services/sentinel/go.sum* ./services/sentinel/
 COPY services/correlator/go.mod services/correlator/go.sum* ./services/correlator/
 
 WORKDIR /build/services/correlator
-RUN --mount=type=cache,target=/go/pkg/mod go mod download
+RUN go mod download
 
 COPY services/correlator/ /build/services/correlator/
 
 ARG VERSION=dev
-RUN --mount=type=cache,target=/go/pkg/mod \
-    CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
     go build -ldflags="-w -s -X main.Version=${VERSION}" \
     -o /tmp/correlator \
     ./cmd/logcorrelator