diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 30624e956..46d924f24 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.5.0-5"
-export PIKA_PACKAGE_NAME="php-ds"
+export PIKA_PACKAGE_VERSION="3:1.0.7-5"
+export PIKA_PACKAGE_NAME="php-mcrypt"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"