diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index dd526f05d..01a47fe48 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.12.9-2"
-export PIKA_PACKAGE_NAME="rust-reqwest"
+export PIKA_PACKAGE_VERSION="2.15.2+ds-6"
+export PIKA_PACKAGE_NAME="c-blosc2"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"