diff --git a/build/Dockerfile b/build/Dockerfile
index cbd1712..f994bb5 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -24,7 +24,8 @@
 	swtpm-tools \
 	rsync \
 	qemu-system-x86-core \
-	postgresql
+	postgresql \
+	expect
 
 # Workaround for a binutils bugs in F30, which generates invalid ELF binaries
 # when linking statically with musl.