diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d42f5386e..f47ae5728 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.0.0+dfsg-2"
-export PIKA_PACKAGE_NAME="eprosima-idl-parser"
+export PIKA_PACKAGE_VERSION="1:20240829-1"
+export PIKA_PACKAGE_NAME="gcc-snapshot"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"