diff --git a/Dockerfile b/Dockerfile
index ad13bda..6d48a33 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bullseye-slim
+FROM docker.io/debian:bullseye-slim
 
 # Toolchain dependencies for Unvanquished, Daemon, external_deps, or build-release
 ENV TOOLCHAIN_DEPS=' \
diff --git a/docker/unvanquished-chown-system.Dockerfile b/docker/unvanquished-chown-system.Dockerfile
index 0070c62..e9e0b78 100644
--- a/docker/unvanquished-chown-system.Dockerfile
+++ b/docker/unvanquished-chown-system.Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:trixie-slim
+FROM docker.io/debian:trixie-slim
 
 RUN mkdir /docker
 COPY docker/common.sh /docker
diff --git a/docker/unvanquished-darling-system.Dockerfile b/docker/unvanquished-darling-system.Dockerfile
index 1a1615c..c8fd449 100644
--- a/docker/unvanquished-darling-system.Dockerfile
+++ b/docker/unvanquished-darling-system.Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:focal
+FROM docker.io/ubuntu:focal
 
 ARG build_macos=true
 
diff --git a/docker/unvanquished-linux-system.Dockerfile b/docker/unvanquished-linux-system.Dockerfile
index 51a09a9..7759071 100644
--- a/docker/unvanquished-linux-system.Dockerfile
+++ b/docker/unvanquished-linux-system.Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bullseye-slim
+FROM docker.io/debian:bullseye-slim
 
 ARG build_linux=true
 
diff --git a/docker/unvanquished-mingw-system.Dockerfile b/docker/unvanquished-mingw-system.Dockerfile
index 268d1cc..6b76a18 100644
--- a/docker/unvanquished-mingw-system.Dockerfile
+++ b/docker/unvanquished-mingw-system.Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:trixie-slim
+FROM docker.io/debian:trixie-slim
 
 ARG build_windows=true
 
diff --git a/docker/unvanquished-unizip-system.Dockerfile b/docker/unvanquished-unizip-system.Dockerfile
index daf4554..cf776de 100644
--- a/docker/unvanquished-unizip-system.Dockerfile
+++ b/docker/unvanquished-unizip-system.Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:trixie-slim
+FROM docker.io/debian:trixie-slim
 
 RUN mkdir /docker
 COPY docker/common.sh /docker
diff --git a/docker/unvanquished-vm-system.Dockerfile b/docker/unvanquished-vm-system.Dockerfile
index 30ae116..92dd522 100644
--- a/docker/unvanquished-vm-system.Dockerfile
+++ b/docker/unvanquished-vm-system.Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:trixie-slim
+FROM docker.io/debian:trixie-slim
 
 ARG build_vm=true