diff --git a/pika-build-config/v3.sh b/pika-build-config/v3.sh
index 0b9677181..f5d90f8ec 100644
--- a/pika-build-config/v3.sh
+++ b/pika-build-config/v3.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.1.7-1"
-export PIKA_PACKAGE_NAME="rust-circular-buffer"
+export PIKA_PACKAGE_VERSION="3.1-2"
+export PIKA_PACKAGE_NAME="treemacs"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b1"