diff --git a/pika-build-config/amd64.sh b/pika-build-config/amd64.sh
index 080536146..139fd8c48 100644
--- a/pika-build-config/amd64.sh
+++ b/pika-build-config/amd64.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.7.0-30"
-export PIKA_PACKAGE_NAME="gcl27"
+export PIKA_PACKAGE_VERSION="8.1.5-2"
+export PIKA_PACKAGE_NAME="ipywidgets"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b2"