diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 507718ca2..d22b64931 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.69+dfsg-7"
-export PIKA_PACKAGE_NAME="libalien-wxwidgets-perl"
+export PIKA_PACKAGE_VERSION="2.15.2+ds-2"
+export PIKA_PACKAGE_NAME="c-blosc2"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"