diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index c35fc38e2..f7adc9279 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2024.10.29+dfsg1-4"
-export PIKA_PACKAGE_NAME="pymatgen"
+export PIKA_PACKAGE_VERSION="0.10.5-3"
+export PIKA_PACKAGE_NAME="pantalaimon"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"