diff --git a/pika-build-config/v3.sh b/pika-build-config/v3.sh
index cd9e38ee9..70a0e88ad 100644
--- a/pika-build-config/v3.sh
+++ b/pika-build-config/v3.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1:34.0+really34+fixes20250116.gitf4cbdd37a5-dmo1"
-export PIKA_PACKAGE_NAME="mythtv-dmo"
+export PIKA_PACKAGE_VERSION="1:18.1.8-15"
+export PIKA_PACKAGE_NAME="llvm-toolchain-18"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b1"