diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index bc4740810..5a4067453 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.3-7"
-export PIKA_PACKAGE_NAME="postgresql-numeral"
+export PIKA_PACKAGE_VERSION="2.5.8-8"
+export PIKA_PACKAGE_NAME="libmcrypt"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"