diff --git a/.gitignore b/.gitignore
index 4a12029..2078416 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@
 /zchunk-0.9.15.tar.gz
 /zchunk-0.9.16.tar.gz
 /zchunk-0.9.17.tar.gz
+/zchunk-1.0.0.tar.gz
diff --git a/sources b/sources
index f1d2bc9..1d53097 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (zchunk-0.9.17.tar.gz) = 77100045dd084b56ca4a84ef03b51f3933d987173960b46f2bea44bd7940b0a00e601bc758c9a3835020ec5061ab0707e8a7e1fa1a0fbd310127169b3262b528
+SHA512 (zchunk-1.0.0.tar.gz) = 50eccd7159adc1280c4fe6b266a447be6d748b85c445d3797f3679ef908fa7a211b792d536125c383b6df4233becdcb7ef8fea031241f424e8da96303e642f78
diff --git a/zchunk.spec b/zchunk.spec
index b3fc7e0..a6cd453 100644
--- a/zchunk.spec
+++ b/zchunk.spec
@@ -1,5 +1,5 @@
 Name:           zchunk
-Version:        0.9.17
+Version:        1.0.0
 Release:        1%{?dist}
 Summary:        Compressed file format that allows easy deltas
 License:        BSD and MIT
@@ -83,6 +83,9 @@ install contrib/gen_xml_dictionary %{buildroot}%{_libexecdir}/zck_gen_xml_dictio
 %{_includedir}/zck.h
 
 %changelog
+* Sat Dec 22 2018 Jonathan Dieter <jdieter@gmail.com> - 1.0.0-1
+- 1.0 release.  API/ABI stability is now guaranteed
+
 * Sun Dec 09 2018 Jonathan Dieter <jdieter@gmail.com> - 0.9.17-1
 - Turn off some tests for big-endian architectures since zstd isn't
   deterministic on them