diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 8a61e41a6..4d21fc9e1 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.22+dfsg-1"
-export PIKA_PACKAGE_NAME="meshoptimizer"
+export PIKA_PACKAGE_VERSION="1.3+20110614.git2a0fb15-1"
+export PIKA_PACKAGE_NAME="python-pbkdf2"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"