diff --git a/pika-build-config/amd64.sh b/pika-build-config/amd64.sh
index 92e8010ce..b06967ff2 100644
--- a/pika-build-config/amd64.sh
+++ b/pika-build-config/amd64.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="27~exp7"
-export PIKA_PACKAGE_NAME="gcc-mingw-w64"
+export PIKA_PACKAGE_VERSION="1.9.9-450-gad1c721+dfsg-0.1"
+export PIKA_PACKAGE_NAME="carl9170fw"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b2"