diff --git a/pika-build-config/amd64.sh b/pika-build-config/amd64.sh
index c26dcbb7d..20b6adbcd 100644
--- a/pika-build-config/amd64.sh
+++ b/pika-build-config/amd64.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.9.3-1"
-export PIKA_PACKAGE_NAME="gnustep-make"
+export PIKA_PACKAGE_VERSION="1:20.15.3-1"
+export PIKA_PACKAGE_NAME="packmol"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b2"