diff --git a/.gitignore b/.gitignore
index 0639c3c..3446c42 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 /autocfg-1.1.0.crate
 /autocfg-1.2.0.crate
 /autocfg-1.3.0.crate
+/autocfg-1.4.0.crate
diff --git a/rust-autocfg.spec b/rust-autocfg.spec
index 9da5484..08ada5c 100644
--- a/rust-autocfg.spec
+++ b/rust-autocfg.spec
@@ -5,7 +5,7 @@
 %global crate autocfg
 
 Name:           rust-autocfg
-Version:        1.3.0
+Version:        1.4.0
 Release:        %autorelease
 Summary:        Automatic cfg for Rust compiler features
 
@@ -62,9 +62,7 @@ use the "default" feature of the "%{crate}" crate.
 
 %if %{with check}
 %check
-# * tests are unreliable when run in parallel:
-#   https://github.com/cuviper/autocfg/issues/65
-%cargo_test -- -- --test-threads 1
+%cargo_test
 %endif
 
 %changelog
diff --git a/sources b/sources
index 517a88d..ed5c238 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (autocfg-1.3.0.crate) = a5570b955d57a7183ba148b335837dc5af24b202e80681027536d33fe2822509ba644fc70c29f018c893285ced2bf6774f44ca6c59f7c7e2226d5349cf7c3635
+SHA512 (autocfg-1.4.0.crate) = 3b5e7c30bc73e105e4bfcab584c24fc4016db41fac9c356c6649fd841051704bbe8848e09546eb50d7c1f18ea8ce1cb72fbc268a620d5c609b3472114b5be73c