diff --git a/pika-build-config/amd64.sh b/pika-build-config/amd64.sh
index a627a8482..63cccf809 100644
--- a/pika-build-config/amd64.sh
+++ b/pika-build-config/amd64.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.15.0+dfsg2-14"
-export PIKA_PACKAGE_NAME="plplot"
+export PIKA_PACKAGE_VERSION="1.4.4-1"
+export PIKA_PACKAGE_NAME="r-cran-readxl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b2"