diff --git a/.gitignore b/.gitignore
index cbcedf5..52575b2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@ matio-1.3.4.tar.gz
 /matio-1.5.18.tar.gz
 /matio-1.5.19.tar.gz
 /matio-1.5.20.tar.gz
+/matio-1.5.21.tar.gz
diff --git a/matio.spec b/matio.spec
index 1500eff..97d38e7 100644
--- a/matio.spec
+++ b/matio.spec
@@ -1,5 +1,5 @@
 Name:           matio
-Version:        1.5.20
+Version:        1.5.21
 Release:        1%{?dist}
 Summary:        Library for reading/writing Matlab MAT files
 
@@ -90,6 +90,9 @@ make check || ( cat test/testsuite.log && exit $fail )
 
 
 %changelog
+* Thu Mar 25 2021 Gwyn Ciesla <gwync@protonmail.com> - 1.5.21-1
+- 1.5.21
+
 * Mon Mar 22 2021 Gwyn Ciesla <gwync@protonmail.com> - 1.5.20-1
 - 1.5.20
 
diff --git a/sources b/sources
index f78e3d3..e190ba9 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (matio-1.5.20.tar.gz) = fb5c1ebc831ff649827fd815ce50b1a778494773d7fa5f58e42fb129fb4fd6cddf69372c42150fab8535e68500c408488e9cd18a5c0dfbc04b31a29382f5e43f
+SHA512 (matio-1.5.21.tar.gz) = b00bcad807e6a7e10afa656eb77a0e3e9fb08d9cecc3e94ba41ef91ce60367d6686e6d387a874bbb83eb2f895d4a97caac554a70e7f5f6f5cb750052702d411c