diff --git a/backend/services/mpc-service/Dockerfile b/backend/services/mpc-service/Dockerfile
index 05d02ab6..3f00fcf0 100644
--- a/backend/services/mpc-service/Dockerfile
+++ b/backend/services/mpc-service/Dockerfile
@@ -30,8 +30,8 @@ FROM node:20-alpine
 
 WORKDIR /app
 
-# Install OpenSSL 1.1 for Prisma
-RUN apk add --no-cache openssl1.1-compat
+# Install OpenSSL for Prisma (Alpine 3.22 uses OpenSSL 3)
+RUN apk add --no-cache openssl
 
 # Install production dependencies only
 COPY package*.json ./