diff --git a/.gitignore b/.gitignore
index 9fa6146..6011c5b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,4 @@
 /h2-0.3.18.crate
 /h2-0.3.19.crate
 /h2-0.3.20.crate
+/h2-0.3.21.crate
diff --git a/rust-h2.spec b/rust-h2.spec
index 30846ec..7bf7de3 100644
--- a/rust-h2.spec
+++ b/rust-h2.spec
@@ -6,7 +6,7 @@
 %global crate h2
 
 Name:           rust-h2
-Version:        0.3.20
+Version:        0.3.21
 Release:        %autorelease
 Summary:        HTTP/2 client and server
 
diff --git a/sources b/sources
index 0a16558..b2e45f8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (h2-0.3.20.crate) = 179a99bf8416cc263795b5c3957c4f722d53474de66c9da1729a0f0748db38f49211f28a065c9a5de23fa4c0da3d40a4ee4f7f182d4c9f601e512c70b1eac450
+SHA512 (h2-0.3.21.crate) = 30993b3d5fc8cb08889208e3f43c145a4555f0c8aa864bf65afabb9cca65bba454d7553cd17b912a2c4a19172a1d14df0326bfe791f646961abc7b557357f1c8