diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 74338cbcd..003174203 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.4.2+ds-1"
-export PIKA_PACKAGE_NAME="r-bioc-alabaster.matrix"
+export PIKA_PACKAGE_VERSION="0.10.2-6"
+export PIKA_PACKAGE_NAME="ext3grep"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"