diff --git a/services/file/Dockerfile b/services/file/Dockerfile
index 6363e0b..c7e706d 100644
--- a/services/file/Dockerfile
+++ b/services/file/Dockerfile
@@ -1,4 +1,4 @@
-FROM mirror.soroushasadi.com/golang:1.25-alpine AS build
+FROM mirror.kargadan.ir/golang:1.25-alpine AS build
 ENV GOPROXY=https://mirror.kargadan.ir/repository/go-group/ GOSUMDB=off
 WORKDIR /src
 # Dependencies are vendored — build fully offline (proxy.golang.org is geo-blocked from some regions)
diff --git a/services/gateway/Dockerfile b/services/gateway/Dockerfile
index ae094f7..8d87e73 100644
--- a/services/gateway/Dockerfile
+++ b/services/gateway/Dockerfile
@@ -1,4 +1,4 @@
-FROM mirror.soroushasadi.com/golang:1.25-alpine AS builder
+FROM mirror.kargadan.ir/golang:1.25-alpine AS builder
 # Go module/toolchain fetches via the kargadan Nexus (proxy.golang.org geo-blocked).
 ENV GOPROXY=https://mirror.kargadan.ir/repository/go-group/ GOSUMDB=off
 WORKDIR /app
diff --git a/services/notification/Dockerfile b/services/notification/Dockerfile
index c5ebc36..86d8e14 100644
--- a/services/notification/Dockerfile
+++ b/services/notification/Dockerfile
@@ -1,4 +1,4 @@
-FROM mirror.soroushasadi.com/golang:1.25-alpine AS builder
+FROM mirror.kargadan.ir/golang:1.25-alpine AS builder
 ENV GOPROXY=https://mirror.kargadan.ir/repository/go-group/ GOSUMDB=off
 WORKDIR /app
 # Dependencies are vendored — build fully offline (proxy.golang.org is geo-blocked from some regions)
diff --git a/services/render/Dockerfile b/services/render/Dockerfile
index c6b7747..5ed2d97 100644
--- a/services/render/Dockerfile
+++ b/services/render/Dockerfile
@@ -1,4 +1,4 @@
-FROM mirror.soroushasadi.com/golang:1.25-alpine AS builder
+FROM mirror.kargadan.ir/golang:1.25-alpine AS builder
 ENV GOPROXY=https://mirror.kargadan.ir/repository/go-group/ GOSUMDB=off
 WORKDIR /app
 # Dependencies are vendored — build fully offline (proxy.golang.org is geo-blocked from some regions)