diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ebeb0febf..b9969ce62 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1:1.15.0+ds-1"
-export PIKA_PACKAGE_NAME="spdlog"
+export PIKA_PACKAGE_VERSION="5.0.6-1"
+export PIKA_PACKAGE_NAME="pmix"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"