diff --git a/.gitignore b/.gitignore
index 2ba4af6..8751817 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /spin-0.5.2.crate
 /spin-0.9.2.crate
 /spin-0.9.3.crate
+/spin-0.9.4.crate
diff --git a/.rust2rpm.conf b/.rust2rpm.conf
new file mode 100644
index 0000000..95bbfe1
--- /dev/null
+++ b/.rust2rpm.conf
@@ -0,0 +1,4 @@
+[DEFAULT]
+unwanted-features =
+  portable-atomic
+  portable_atomic
diff --git a/rust-spin.spec b/rust-spin.spec
index 1c4626c..f9a8cf6 100644
--- a/rust-spin.spec
+++ b/rust-spin.spec
@@ -5,7 +5,7 @@
 %global crate spin
 
 Name:           rust-%{crate}
-Version:        0.9.3
+Version:        0.9.4
 Release:        %autorelease
 Summary:        Spin-based synchronization primitives
 
diff --git a/sources b/sources
index 2427161..7105ec2 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (spin-0.9.3.crate) = 2779ff3a94865e4b7cdfe8f0c22c7460095bfb2c4dcaac3f879e740799a2e6835d8acaeb6b70db4351209ba33d20c7c1dc2ec203e33844c619d3c54ee462bf70
+SHA512 (spin-0.9.4.crate) = 156b1c471292e8cb874b59129454b56b5e84a0f10b5d064433e0abfc3384c1a594b12b095acd26da350d7f81e6849da9c07c9a506b4aa0ac4808ce3f70b5511c