diff --git a/singularity.spec b/singularity.spec
index 4e4f106..5c945a7 100644
--- a/singularity.spec
+++ b/singularity.spec
@@ -29,12 +29,12 @@
 
 Summary: Application and environment virtualization
 Name: singularity
-Version: 3.6.3
+Version: 3.6.4
 Release: 1%{?dist}
 # https://spdx.org/licenses/BSD-3-Clause-LBNL.html
 License: BSD-3-Clause-LBNL
 URL: https://www.sylabs.io/singularity/
-Source: %{name}-3.6.3.tar.gz
+Source: %{name}-3.6.4.tar.gz
 ExclusiveOS: linux
 # RPM_BUILD_ROOT wasn't being set ... for some reason
 %if "%{sles_version}" == "11"
@@ -159,6 +159,9 @@ make DESTDIR=$RPM_BUILD_ROOT install man
 
 
 %changelog
+* Tue Oct 13 2020 Dave Dykstra <dwd@fedoraproject.org> - 3.6.4-1
+- Upgrade to upstream 3.6.4.
+
 * Tue Sep 15 2020 Dave Dykstra <dwd@fedoraproject.org> - 3.6.3-1
 - Upgrade to upstream 3.6.3.
 
diff --git a/sources b/sources
index c481fb8..3208629 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (singularity-3.6.3.tar.gz) = 2c3342197a5075b89eb37bdf9127f9abaf3676f67dae0d164813f94e84f12b9f51f22eafd2e81a82e686622d93f90bcdf6f62c051903a2f122f960d0c116d5b1
+SHA512 (singularity-3.6.4.tar.gz) = c12cdc6baba6089576396c4391367451a264d6bfe7dd9a4b582d21ee5bd49aeea79372f3d008a4f2f535af307e0890a8d1a72773bb2c0898872eed8c82e48991