diff --git a/pyproject.toml b/pyproject.toml
index 0f4af51b6a..3488db4db1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,8 +24,9 @@ PATH = "/tmp/boost:$PATH"
 before-all = [
   "./tools/cibuildwheel/setup_boost.sh $BOOST_VERSION $BOOST_ROOT",
   "./tools/cibuildwheel/setup_ccache_on_manylinux.sh",
-  "./tools/cibuildwheel/setup_openssl.sh",
-  "yum install -y glibc-static" # needed for libutil.a and libdl.a
+  "yum install -y glibc-static", # needed for libutil.a and libdl.a
+  # perl-IPC-Cmd is needed to build OpenSSL
+  "yum install -y perl-IPC-Cmd && ./tools/cibuildwheel/setup_openssl.sh"
 ]
 before-test = "ccache -s"
 select = "*-manylinux_*"