diff --git a/custom/testing/fedora-40.Dockerfile b/custom/testing/fedora-40.Dockerfile
index 1e3c30a..e9e823f 100644
--- a/custom/testing/fedora-40.Dockerfile
+++ b/custom/testing/fedora-40.Dockerfile
@@ -17,7 +17,7 @@ RUN <<EOF
   yum update -y
   yum install -y curl wget tar xz patchelf openssl-pkcs11-sign-provider
 
-  yum install -y make gcc
+  yum install -y make gcc libffi-devel
 
   wget https://packages.broadcom.com/artifactory/saltproject-generic/onedir/3007.1/salt-3007.1-onedir-linux-$ARCH.tar.xz
   tar xf salt-3007.1-onedir-linux-$ARCH.tar.xz