diff --git a/pyproject.toml b/pyproject.toml
index 22be18b1..5545e93c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,4 +27,4 @@ include = ["eessi*"]
 version_scheme = "guess-next-dev"
 local_scheme = "node-and-date"
 write_to = "eessi/testsuite/_version.py"
-fallback_version = "0.9.0"
+fallback_version = "1.0.0"