diff --git a/pika-build-config/v3.sh b/pika-build-config/v3.sh
index 0fc69e80d..dd87ab848 100644
--- a/pika-build-config/v3.sh
+++ b/pika-build-config/v3.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="7.1.1+dfsg1-1exp1"
-export PIKA_PACKAGE_NAME="sundials"
+export PIKA_PACKAGE_VERSION="0.3.4.4-1"
+export PIKA_PACKAGE_NAME="haskell-math-functions"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b1"