diff --git a/.gitignore b/.gitignore
index cbf9d02..8f08da6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 /num-complex-0.2.4.crate
 /num-complex-0.3.0.crate
 /num-complex-0.3.1.crate
+/num-complex-0.4.0.crate
diff --git a/rust-num-complex.spec b/rust-num-complex.spec
index 5d3ed7d..acfb67f 100644
--- a/rust-num-complex.spec
+++ b/rust-num-complex.spec
@@ -1,12 +1,12 @@
-# Generated by rust2rpm 15
+# Generated by rust2rpm 17
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate num-complex
 
 Name:           rust-%{crate}
-Version:        0.3.1
-Release:        2%{?dist}
+Version:        0.4.0
+Release:        1%{?dist}
 Summary:        Complex numbers implementation for Rust
 
 # Upstream license specification: MIT OR Apache-2.0
@@ -119,6 +119,10 @@ which use "std" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Mon Jun 28 2021 Fabio Valentini <decathorpe@gmail.com> - 0.4.0-1
+- Update to version 0.4.0.
+- Fixes RHBZ#1936043
+
 * Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.3.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
 
diff --git a/sources b/sources
index b508629..7785ba0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (num-complex-0.3.1.crate) = d24d613f20e04dcfdee68e95b2d4b06ba99db637a96e41a55c4f599626951a44cc5f8adf8e8c86003d42c316aaea0c27739e812fcd4d4bb6efca5b2d9cecdd71
+SHA512 (num-complex-0.4.0.crate) = ececfb4ecd82acdb038322ffcb431a09c271b33d3f028f90577f585289251c38ba425d67413815442cd5c2daba821ac9b3b45b09122b1ca2cb7d35f45dd9d2d8