diff --git a/pypme/__init__.py b/pypme/__init__.py
index 74362cd..8cb3622 100644
--- a/pypme/__init__.py
+++ b/pypme/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '0.5.1'
+__version__ = '0.5.2'
 from .pme import verbose_pme, pme, verbose_xpme, xpme
 from .mod_tessa_pme import (
     tessa_verbose_xpme,
diff --git a/pyproject.toml b/pyproject.toml
index 1c23c56..0c6145e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pypme"
-version = "0.5.1"
+version = "0.5.2"
 description = "Python package for PME (Public Market Equivalent) calculation"
 authors = ["ymyke"]
 license = "MIT"
@@ -14,7 +14,7 @@ python = ">=3.8, <3.10"
 xirr = "^0.1.8"
 numpy-financial = "^1.0.0"
 pandas = "^1.4.1"
-tessa = "^0.5"
+tessa = ">=0.5"
 
 [tool.poetry.dev-dependencies]
 pytest = "^5.2"