diff --git a/fpm.toml b/fpm.toml
index b78592e4..0ee0ccc1 100644
--- a/fpm.toml
+++ b/fpm.toml
@@ -1,5 +1,5 @@
 name = "yaeos"
-version = "1.5.0"
+version = "2.0.0"
 license = "MPL"
 author = "Federico E. Benelli"
 maintainer = "federico.benelli@mi.unc.edu.ar"
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 7549e72d..f0c792f9 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -14,7 +14,7 @@ name = "yaeos"
 description = "Thermodynamic modelling with Equation of State"
 readme = "README.md"
 dependencies = ["numpy"]
-version = "1.5.0"
+version = "2.0.0"
 requires-python = ">=3.10"
 
 
diff --git a/src/yaeos.f90 b/src/yaeos.f90
index 38afcfca..e466574b 100644
--- a/src/yaeos.f90
+++ b/src/yaeos.f90
@@ -15,5 +15,5 @@ module yaeos
    use yaeos__substance
    use yaeos__models
    use yaeos__equilibria
-   character(len=*), parameter :: version="1.5.0" !! This version.
+   character(len=*), parameter :: version="2.0.0" !! This version.
 end module