diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 7e03065a2..4ddb8a335 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.15.0-1"
-export PIKA_PACKAGE_NAME="gtkmm4.0"
+export PIKA_PACKAGE_VERSION="1.3.73-1"
+export PIKA_PACKAGE_NAME="matthiasmullie-minify"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"