diff --git a/.gitignore b/.gitignore
index 6e66f0c..d4ec74a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /resctl-demo-2.1.2.crate
+/resctl-demo-2.1.2-vendor.tar.gz
diff --git a/rust-resctl-demo.spec b/rust-resctl-demo.spec
index 47e37f5..49eefc9 100644
--- a/rust-resctl-demo.spec
+++ b/rust-resctl-demo.spec
@@ -4,6 +4,15 @@
 
 %global crate resctl-demo
 
+%if 0%{?el8}
+# disabling this as it chokes on the vendored dependencies
+%undefine __brp_mangle_shebangs
+# el8 doesn't have these macros
+%global __crates_url https://crates.io/api/v1/crates/
+%global crates_source %{__crates_url}%{crate}/%{version}/download#/%{crate}-%{version}.crate
+%global version_no_tilde %{version}
+%endif
+
 Name:           rust-%{crate}
 Version:        2.1.2
 Release:        %autorelease
@@ -13,10 +22,16 @@ Summary:        Guided tour of Linux resource control with live demos
 License:        ASL 2.0 and BSD and MIT
 URL:            https://crates.io/crates/resctl-demo
 Source:         %{crates_source}
+# Vendored dependencies for EPEL, update with ./update-vendor-tarball.sh
+Source1:        %{crate}-%{version}-vendor.tar.gz
 
 ExclusiveArch:  %{rust_arches}
 
+%if 0%{?el8}
+BuildRequires:  rust-toolset
+%else
 BuildRequires:  rust-packaging
+%endif
 
 %global _description %{expand:
 resctl-demo demonstrates and documents various aspects of resource control
@@ -40,10 +55,14 @@ Requires:       gnuplot
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
+%if 0%{?el8}
+%cargo_prep -V 1
+%else
 %cargo_prep
 
 %generate_buildrequires
 %cargo_generate_buildrequires
+%endif
 
 %build
 %cargo_build
diff --git a/sources b/sources
index 30e5a48..1b09b16 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
 SHA512 (resctl-demo-2.1.2.crate) = 76d7c962aa0611fa1dc750e856499c20b53224078a8ddfe2fe1dc6e580aca6c4147becc45216a19722f8da52959e262271509c44fe2e7582c783cc4005981246
+SHA512 (resctl-demo-2.1.2-vendor.tar.gz) = f9f4adeeb2e147744ae0121b6b41ca25b527083139142f8c71be2428dae5fd67d11600f3bd299da51ec5c68087338de80b8be01d0273df90c1aabcd798cd60b3
diff --git a/update-vendor-tarball.sh b/update-vendor-tarball.sh
new file mode 100755
index 0000000..ae9b8c0
--- /dev/null
+++ b/update-vendor-tarball.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+name='resctl-demo'
+specfile="rust-${name}.spec"
+version=$(rpm -q --qf '%{VERSION}\n' --specfile "$specfile" | head -1)
+nv="${name}-${version}"
+crate="${nv}.crate"
+vendor_tarball="${nv}-vendor.tar.gz"
+
+if [ -f "$vendor_tarball" ]; then
+  echo "${vendor_tarball} already exists, aborting"
+  exit 1
+fi
+
+[ -f "$crate" ] || spectool -g "$specfile"
+tardir="$PWD"
+workdir=$(mktemp -d)
+trap 'rm -rf "$workdir"' EXIT
+
+tar xvzf "$tardir/$crate" -C "$workdir"
+(cd "${workdir}/${nv}" && \
+  cargo vendor && \
+  tar cvzf "${tardir}/${vendor_tarball}" vendor/)
+
+exit 0