diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 976fe5e73..f1c3d76d7 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="6.7.2-1"
-export PIKA_PACKAGE_NAME="qt6-wayland"
+export PIKA_PACKAGE_VERSION="3.20.0+dfsg-3"
+export PIKA_PACKAGE_NAME="pycryptodome"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"