diff --git a/pyproject.toml b/pyproject.toml
index fb262a11..e95061d5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ build-backend = "mesonpy"
 
 [project]
 name = "gridfire"  # Choose your Python package name
-version = "0.6.0" # Your project's version
+version = "0.7.0_rc1" # Your project's version
 description = "Python interface to the GridFire nuclear network code"
 readme = "README.md"
 license = { file = "LICENSE.txt" } # Reference your license file [cite: 2]