diff --git a/buildwheel/Dockerfile b/buildwheel/Dockerfile
index 24efe85..8ad5626 100644
--- a/buildwheel/Dockerfile
+++ b/buildwheel/Dockerfile
@@ -1,8 +1,13 @@
 FROM quay.io/pypa/manylinux2010_x86_64
 COPY . /src/pike
-RUN yum install -y krb5-devel krb5-workstation python27 && \
+RUN sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-* && \
+    sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-* && \
+    yum install -y krb5-devel krb5-workstation python27 && \
     source /opt/rh/python27/enable && \
-    python2.7 -m pip install -U 'pip<21' && \
-    python2.7 -m pip install build
-
+    export PATH=$PATH:/opt/rh/python27/root/usr/bin && \
+    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/rh/python27/root/usr/lib64 && \
+    echo /opt/rh/python27/root/usr/lib64 >> /etc/ld.so.conf && \
+    ldconfig && \
+    /opt/rh/python27/root/usr/bin/python2.7 -m pip install --trusted-host pypi.python.org -U 'pip<21' && \
+    /opt/rh/python27/root/usr/bin/python2.7 -m pip install --trusted-host pypi.python.org build
 CMD /src/pike/buildwheel/wheel27.sh
diff --git a/pyproject.toml b/pyproject.toml
index 867d1a5..2b70f12 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,9 @@ test-command = [
 
 [tool.cibuildwheel.linux]
 environment-pass = ["HOST_IPV4", "SAMBA_REALM", "SAMBA_SERVER", "ADMIN_PASSWORD"]
-before-all = "yum install -y krb5-devel krb5-workstation"
+before-all = """sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*;
+                sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*;
+                yum install -y krb5-devel krb5-workstation"""
 
 [[tool.cibuildwheel.overrides]]
 select = "*-musllinux*"