diff --git a/Dockerfile.in b/Dockerfile.in
index e9eca6e45..bc4e914ab 100644
--- a/Dockerfile.in
+++ b/Dockerfile.in
@@ -24,6 +24,14 @@ ENV CPPFLAGS="-I${TARGET_DIR}/include $CPPFLAGS"
 ENV CFLAGS="-I${TARGET_DIR}/include $CFLAGS"
 ENV CMAKE_POLICY_VERSION_MINIMUM="3.5"
 
+# Use more reliable mirrors for Ubuntu packages
+RUN mkdir -p /etc/apt/sources.list.d/ \
+ && touch /etc/apt/sources.list /etc/apt/sources.list.d/ubuntu.sources \
+ && sed -i 's|archive.ubuntu.com/ubuntu/|mirrors.kernel.org/ubuntu/|g' \
+    /etc/apt/sources.list /etc/apt/sources.list.d/ubuntu.sources \
+ && sed -i 's|security.ubuntu.com/ubuntu/|mirrors.kernel.org/ubuntu/|g' \
+    /etc/apt/sources.list /etc/apt/sources.list.d/ubuntu.sources
+
 # Prepare Debian build environment
 RUN apt-get update \
  && apt-get dist-upgrade -y \
diff --git a/Dockerfile.win64.in b/Dockerfile.win64.in
index cd5f101a4..4a199ff00 100644
--- a/Dockerfile.win64.in
+++ b/Dockerfile.win64.in
@@ -23,6 +23,14 @@ ENV DEBIAN_FRONTEND=noninteractive \
     DLLTOOL="x86_64-w64-mingw32-dlltool" \
     CMAKE_POLICY_VERSION_MINIMUM="3.5"
 
+# Use more reliable mirrors for Ubuntu packages
+RUN mkdir -p /etc/apt/sources.list.d/ \
+ && touch /etc/apt/sources.list /etc/apt/sources.list.d/ubuntu.sources \
+ && sed -i 's|archive.ubuntu.com/ubuntu/|mirrors.kernel.org/ubuntu/|g' \
+    /etc/apt/sources.list /etc/apt/sources.list.d/ubuntu.sources \
+ && sed -i 's|security.ubuntu.com/ubuntu/|mirrors.kernel.org/ubuntu/|g' \
+    /etc/apt/sources.list /etc/apt/sources.list.d/ubuntu.sources
+
 # Prepare Debian and mingw-w64 build environment
 RUN apt-get update \
  && apt-get dist-upgrade -y \
diff --git a/builder/images/base/Dockerfile b/builder/images/base/Dockerfile
index 9ecb0cd78..60e373807 100644
--- a/builder/images/base/Dockerfile
+++ b/builder/images/base/Dockerfile
@@ -1,6 +1,15 @@
 FROM ubuntu:noble
 
 ENV DEBIAN_FRONTEND=noninteractive
+
+# Use more reliable mirrors for Ubuntu packages
+RUN mkdir -p /etc/apt/sources.list.d/ \
+ && touch /etc/apt/sources.list /etc/apt/sources.list.d/ubuntu.sources \
+ && sed -i 's|archive.ubuntu.com/ubuntu/|mirrors.kernel.org/ubuntu/|g' \
+    /etc/apt/sources.list /etc/apt/sources.list.d/ubuntu.sources \
+ && sed -i 's|security.ubuntu.com/ubuntu/|mirrors.kernel.org/ubuntu/|g' \
+    /etc/apt/sources.list /etc/apt/sources.list.d/ubuntu.sources
+
 RUN \
     apt-get -y update && \
     apt-get -y dist-upgrade && \
diff --git a/docker-build.sh b/docker-build.sh
index 9b3f59d51..4418dc785 100755
--- a/docker-build.sh
+++ b/docker-build.sh
@@ -6,7 +6,7 @@ set -o errexit
 set -o xtrace
 
 DEBIAN_ADDR=http://deb.debian.org/debian/
-UBUNTU_ARCHIVE_ADDR=http://archive.ubuntu.com/ubuntu/
+UBUNTU_ARCHIVE_ADDR=http://mirrors.kernel.org/ubuntu/ # http://archive.ubuntu.com/ubuntu/
 UBUNTU_PORTS_ADDR=http://ports.ubuntu.com/ubuntu-ports/
 
 # Prepare common extra libs for amd64 and arm64