diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 4527eeee7..3e4548a4d 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="20250110-1"
-export PIKA_PACKAGE_NAME="tifffile"
+export PIKA_PACKAGE_VERSION="5.15.0+dfsg2-12"
+export PIKA_PACKAGE_NAME="plplot"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"