diff --git a/pika-build-config/amd64.sh b/pika-build-config/amd64.sh
index f92a09d8c..905f1b7cd 100644
--- a/pika-build-config/amd64.sh
+++ b/pika-build-config/amd64.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.6.2-2"
-export PIKA_PACKAGE_NAME="r-cran-mertools"
+export PIKA_PACKAGE_VERSION="0.55-1"
+export PIKA_PACKAGE_NAME="r-cran-tinytex"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b2"