diff --git a/.gitignore b/.gitignore
index 94c1a19..2665f2b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 /signal-hook-registry-1.2.1.crate
 /signal-hook-registry-1.2.2.crate
 /signal-hook-registry-1.3.0.crate
+/signal-hook-registry-1.4.0.crate
diff --git a/rust-signal-hook-registry.spec b/rust-signal-hook-registry.spec
index 9b07d47..66922f4 100644
--- a/rust-signal-hook-registry.spec
+++ b/rust-signal-hook-registry.spec
@@ -1,13 +1,13 @@
-# Generated by rust2rpm 16
-# * Tests are possible to run only from the full tree
+# Generated by rust2rpm 17
+# * tests can only be run in-tree
 %bcond_with check
 %global debug_package %{nil}
 
 %global crate signal-hook-registry
 
 Name:           rust-%{crate}
-Version:        1.3.0
-Release:        2%{?dist}
+Version:        1.4.0
+Release:        1%{?dist}
 Summary:        Backend crate for signal-hook
 
 # Upstream license specification: Apache-2.0/MIT
@@ -72,6 +72,10 @@ which use "default" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Tue Jun 01 2021 Fabio Valentini <decathorpe@gmail.com> - 1.4.0-1
+- Update to version 1.4.0.
+- Fixes RHBZ#1966670
+
 * Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.3.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
 
diff --git a/sources b/sources
index 3be0074..b397117 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (signal-hook-registry-1.3.0.crate) = 2576d474c490deb6cbd759985f55340bb4e4ae0abac3ee02055bc30fa4008fc96ebf4d96f0a85c634b4f04d57b00243625194b333cf330f59fc82286bbeb30a9
+SHA512 (signal-hook-registry-1.4.0.crate) = b564379e5df1061739734179a69897badf9e2e6b469e091954428b05c3c7143885396df4bd008d77e08dae53729d2267d50fc8563121b086e25d8a5adabf6d6d