diff --git a/lazy-object-proxy-1.4.1.tar.gz b/lazy-object-proxy-1.4.1.tar.gz
deleted file mode 100644
index 89c3c80..0000000
--- a/lazy-object-proxy-1.4.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4ba73f6089cd9b9478bc0a4fa807b47dbdb8fad1d8f31a0f0a5dbf26a4527a71
-size 34785
diff --git a/lazy-object-proxy-1.4.2.tar.gz b/lazy-object-proxy-1.4.2.tar.gz
new file mode 100644
index 0000000..f497af5
--- /dev/null
+++ b/lazy-object-proxy-1.4.2.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fd135b8d35dfdcdb984828c84d695937e58cc5f49e1c854eb311c4d6aa03f4f1
+size 34034
diff --git a/python-lazy-object-proxy.changes b/python-lazy-object-proxy.changes
index 3c3298c..fe81ea4 100644
--- a/python-lazy-object-proxy.changes
+++ b/python-lazy-object-proxy.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Wed Sep 11 13:02:47 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
+
+- Update to 1.4.2:
+  * Included a pyproject.toml to allow users install the sdist with old
+    python/setuptools, as the setuptools-scm dep will be fetched by pip
+    instead of setuptools. Fixes #30.
+
 -------------------------------------------------------------------
 Thu Jun 20 12:53:22 UTC 2019 - Marketa Calabkova <mcalabkova@suse.com>
 
diff --git a/python-lazy-object-proxy.spec b/python-lazy-object-proxy.spec
index 2fd411c..07c644a 100644
--- a/python-lazy-object-proxy.spec
+++ b/python-lazy-object-proxy.spec
@@ -27,7 +27,7 @@
 %bcond_with test
 %endif
 Name:           python-lazy-object-proxy%{psuffix}
-Version:        1.4.1
+Version:        1.4.2
 Release:        0
 Summary:        Rebuild a new abstract syntax tree from Python's ast
 License:        BSD-2-Clause
@@ -36,6 +36,7 @@ URL:            https://github.com/ionelmc/python-lazy-object-proxy
 Source:         https://files.pythonhosted.org/packages/source/l/lazy-object-proxy/lazy-object-proxy-%{version}.tar.gz
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module setuptools_scm >= 3.3.1}
+BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 %if %{with test}
 BuildRequires:  %{python_module lazy-object-proxy = %{version}}
@@ -70,6 +71,7 @@ export CFLAGS="%{optflags} -fno-strict-aliasing"
 %install
 %if !%{with test}
 %python_install
+%python_expand %fdupes %{buildroot}%{$python_sitearch}
 %endif
 
 %if %{with test}