diff --git a/.gitignore b/.gitignore
index 60307d3..0d8d68a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /futures-test-0.3.17.crate
 /futures-test-0.3.18.crate
 /futures-test-0.3.19.crate
+/futures-test-0.3.21.crate
diff --git a/rust-futures-test.spec b/rust-futures-test.spec
index fd98b41..0074ed5 100644
--- a/rust-futures-test.spec
+++ b/rust-futures-test.spec
@@ -6,7 +6,7 @@
 %global crate futures-test
 
 Name:           rust-%{crate}
-Version:        0.3.19
+Version:        0.3.21
 Release:        %autorelease
 Summary:        Common utilities for testing components built off futures-rs
 
diff --git a/sources b/sources
index 734f837..221e2f0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (futures-test-0.3.19.crate) = 7848592d764618da8d7ee4556cce390ebf9e8ad26f8206fc48d0106ec085069e0ca5edefb306a0d876147692ef7c59af3b8afe74c2389911d7c7fa55f2557cf8
+SHA512 (futures-test-0.3.21.crate) = 2258bd35c35848c4a0cbe3b9053ff31c6e84aa0aac136297e2b844747dd6f571b8655f6259a164f4059950bae5e997d3b94692b926b324a34b9ab6a12ef91983