diff --git a/.cci.jenkinsfile b/.cci.jenkinsfile
index a0d75453..079eb058 100644
--- a/.cci.jenkinsfile
+++ b/.cci.jenkinsfile
@@ -7,6 +7,7 @@ parallel rpms: {
       shwrap("""
         # fetch tags so `git describe` gives a nice NEVRA when building the RPM
         git fetch origin --tags
+        ci/install-extra-builddeps.sh
         ci/installdeps.sh
         git submodule update --init
 
diff --git a/ci/build.sh b/ci/build.sh
index 2cbcbee7..db083e84 100755
--- a/ci/build.sh
+++ b/ci/build.sh
@@ -6,6 +6,7 @@ set -xeuo pipefail
 dn=$(dirname $0)
 . ${dn}/libbuild.sh
 
+${dn}/install-extra-builddeps.sh
 ${dn}/installdeps.sh
 
 # create an unprivileged user for testing
diff --git a/ci/install-extra-builddeps.sh b/ci/install-extra-builddeps.sh
new file mode 100755
index 00000000..b5a216e7
--- /dev/null
+++ b/ci/install-extra-builddeps.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/bash
+# Install build dependencies not in the cosa buildroot already
+set -xeuo pipefail
+if ! command -v cxxbridge; then
+    cargo install --root=/usr cxxbridge-cmd
+fi