diff --git a/perestroika/build-deb.sh b/perestroika/build-deb.sh
index 3825ff0..430e2a5 100755
--- a/perestroika/build-deb.sh
+++ b/perestroika/build-deb.sh
@@ -99,8 +99,14 @@ main () {
               # Do not perform `setup.py sdist` for rally packages
               tar -czf ${BUILDDIR}/$TAR_NAME $EXCLUDES .
           else
+              # Use virtualenv to deal with different pbr requirements
+              local venv=$(mktemp -d)
+              virtualenv "$venv"
+              source "${venv}/bin/activate"
               python setup.py --version  # this will download pbr if it's not available
               PBR_VERSION=$release_tag python setup.py sdist -d ${BUILDDIR}/
+              deactivate
+              [ -d "$venv" ] && rm -rf "$venv"
               # Fix source folder name at sdist tarball
               local sdist_tarball=$(find ${BUILDDIR}/ -maxdepth 1 -name "*.gz")
               if [ "$(tar -tf $sdist_tarball | head -n 1 | cut -d'/' -f1)" != "${srcpackagename}-${version}" ] ; then
diff --git a/perestroika/build-rpm.sh b/perestroika/build-rpm.sh
index 47aeeee..cbe3dc8 100755
--- a/perestroika/build-rpm.sh
+++ b/perestroika/build-rpm.sh
@@ -78,8 +78,14 @@ This package provides the %{-n*} kernel modules
           # Do not perform `setup.py sdist` for openstack-macros package
           tar -czf ${BUILDDIR}/$TAR_NAME $EXCLUDES .
       else
+          # Use virtualenv to deal with different pbr requirements
+          local venv=$(mktemp -d)
+          virtualenv "$venv"
+          source "${venv}/bin/activate"
           python setup.py --version  # this will download pbr if it's not available
           PBR_VERSION=$release_tag python setup.py sdist -d ${BUILDDIR}/
+          deactivate
+          [ -d "$venv" ] && rm -rf "$venv"
           # Fix source folder name at sdist tarball
           local sdist_tarball=$(find ${BUILDDIR}/ -maxdepth 1 -name "*.gz")
           if [ "$(tar -tf $sdist_tarball | head -n 1 | cut -d'/' -f1)" != "${PACKAGENAME}-${version}" ] ; then