diff --git a/pika-build-config/v3.sh b/pika-build-config/v3.sh
index e58d5948a..da9f2e265 100644
--- a/pika-build-config/v3.sh
+++ b/pika-build-config/v3.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.0.1-1"
-export PIKA_PACKAGE_NAME="libmicrohttpd"
+export PIKA_PACKAGE_VERSION="1:19.1.0~++rc2-1~exp1"
+export PIKA_PACKAGE_NAME="llvm-toolchain-19"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b1"