update checksums
diff --git a/releases.sha2 b/releases.sha2
index b1b32c0..76170ac 100644
--- a/releases.sha2
+++ b/releases.sha2
@@ -36,6 +36,8 @@
 85343fdaed96529d94c1e1f3a210fa51240d04ca62fa01e97ef02f88020c2ce9  opus-1.2-rc1.tar.gz
 77db45a87b51578fbc49555ef1b10926179861d854eb2613207dc79d9ec0a9a9  opus-1.2.tar.gz
 cfafd339ccd9c5ef8d6ab15d7e1a412c054bf4cb4ecbbbcc78c12ef2def70732  opus-1.2.1.tar.gz
+7f56e058c9549d03ae35511ad9e16ef6d1eb257836830d54abff0f495f17e187  opus-1.3-beta.tar.gz
+96fa28598e8ccd558b297277ad59a045c551ba0e06d65a9675938e084f837669  opus-1.3-rc.tar.gz
 94ac78ca4f74c4e43bc9fe4ec1ad0aa36f38ab90f45b0727c40dd1e96096e767  opus_testvectors-draft11.tar.gz
 94ac78ca4f74c4e43bc9fe4ec1ad0aa36f38ab90f45b0727c40dd1e96096e767  opus_testvectors.tar.gz
 5d2b99757bcb628bab2611f3ed27af6f35276ce3abc96c0ed4399d6c6463dda5  opus-tools-0.1.2.tar.gz