diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 4f35b0cbb..95de2ec94 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.0a-15"
-export PIKA_PACKAGE_NAME="sprng"
+export PIKA_PACKAGE_VERSION="0.3.0-1"
+export PIKA_PACKAGE_NAME="rust-constant-time-eq"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"