diff --git a/.gitignore b/.gitignore
index 173cb7a..02fcb54 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /libopenmpt-0.5.7+release.autotools.tar.gz
 /libopenmpt-0.5.8+release.autotools.tar.gz
 /libopenmpt-0.5.10+release.autotools.tar.gz
+/libopenmpt-0.5.11+release.autotools.tar.gz
diff --git a/libopenmpt.spec b/libopenmpt.spec
index 9c01461..4fe8432 100644
--- a/libopenmpt.spec
+++ b/libopenmpt.spec
@@ -1,5 +1,5 @@
 Name: libopenmpt
-Version: 0.5.10
+Version: 0.5.11
 Release: 1%{?dist}
 
 %global tar_root %{name}-%{version}+release.autotools
@@ -101,6 +101,9 @@ chrpath --delete ${RPM_BUILD_ROOT}%{_bindir}/openmpt123
 
 
 %changelog
+* Wed Aug 25 2021 Michael Schwendt <mschwendt@fedoraproject.org> - 0.5.11-1
+- update to 0.5.10 (security release)
+
 * Tue Aug 17 2021 Michael Schwendt <mschwendt@fedoraproject.org> - 0.5.10-1
 - update to 0.5.10
 
diff --git a/sources b/sources
index 85ee0e5..7dd8989 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libopenmpt-0.5.10+release.autotools.tar.gz) = ea76b6e3a6038046fc72e92203018202a247e4216bc33cc358290c74aba119e81e0c40d0f4f90874dc605d9354f04437b516b11b0ee3d644af7f230851e3f816
+SHA512 (libopenmpt-0.5.11+release.autotools.tar.gz) = 29e19ef2add316fd824f82095db9e81a9a60c07f0b6a54a224c0416452d566c4376e688c5e1b1556461e0f5a1b1543ff45d1388d611d010a646efb8bf1ba733e