diff --git a/.gitignore b/.gitignore
index 9e61e04..507a1f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /nio4r-2.1.0.gem
 /nio4r-2.2.0.gem
 /nio4r-2.3.1.gem
+/nio4r-2.4.0.gem
diff --git a/sources b/sources
index 868b3a0..ffc1d62 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (nio4r-2.3.1.gem) = 6e8fbc744f17b42a0a5c9f8f6db79ce3c9c0dbf6cb047f0b48faab813effc9f5dabe7405475a755bea9f0eb49037f6f26bdc6b8ff3fc7ab3bca61fc238e4eb6d
+SHA512 (nio4r-2.4.0.gem) = 2cd77c4af934c10cbcc23e926d0111a319bd9be69b0ead9c5c5614911f2cd3127ffa9fb103907d961b59e6f846cc83ac9a97722a85dac390dbf2f2a20976a0c0