diff --git a/python-poetry-core.spec b/python-poetry-core.spec
index 1426166..b893b23 100644
--- a/python-poetry-core.spec
+++ b/python-poetry-core.spec
@@ -1,6 +1,6 @@
 Name:           python-poetry-core
-Version:        1.3.2
-Release:        2%{?dist}
+Version:        1.4.0
+Release:        1%{?dist}
 Summary:        Poetry PEP 517 Build Backend
 
 # We bundle a lot of libraries with poetry, which itself is under MIT license.
@@ -103,6 +103,9 @@ Provides:       bundled(python3dist(typing-extensions)) = 4.3.0
 
 
 %changelog
+* Mon Feb 20 2023 Tomáš Hrnčiar <thrnciar@redhat.com> - 1.4.0-1
+- Update to 1.4.0
+
 * Fri Jan 20 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.3.2-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
 
diff --git a/sources b/sources
index 8800a0c..9dc0dae 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (poetry-core-1.3.2.tar.gz) = 57fca4925889bfcff9335c0f76ea0cf8b48de1cb7bdc83bab8ceee452d6a6d64c4eaa169be17fb32ee59f453256fde1191e5c36382c4be27b74b5e3c8dce7703
+SHA512 (poetry-core-1.4.0.tar.gz) = 31c9b42ae8e4ec5c4cec93604a5ea72642fb89717867d7f43fdf930835c7e1da97b0251870d86841c30b1bf0ee7b167fc6a8dcfe939beb5b40acd7e24dfaede7