diff --git a/bloaty.spec b/bloaty.spec
index b48a677..5e9b381 100644
--- a/bloaty.spec
+++ b/bloaty.spec
@@ -3,8 +3,21 @@ Version:        1.1
 Release:        22%{?dist}
 Summary:        A size profiler for binaries
 
-
-License:        ASL 2.0
+# The entire source is Apache-2.0, except:
+#
+# BSD-2-Clause:
+#   third_party/freebsd_elf/
+# APSL-2.0:
+#   third_party/darwin_xnu_macho/ except as below:
+# APSL-2.0 AND BSD-4-Clause-UC:
+#   third_party/darwin_xnu_macho/mach-o/nlist.h
+# APSL-2.0 AND BSD-3-Clause
+#   third_party/darwin_xnu_macho/mach-o/reloc.h
+#
+# Note that the contents of third_party/freebsd_elf/ and
+# third_party/darwin_xnu_macho/ *are* used in the Linux build (to support
+# examining binaries built for other platforms).
+License:        Apache-2.0 AND BSD-2-Clause AND BSD-4-Clause-UC AND BSD-3-Clause
 URL:            https://github.com/google/bloaty
 Source0:        https://github.com/google/bloaty/archive/v%{version}/%{name}-%{version}.tar.gz
 # Patch to use system versions of abseil, google-test and google-mock
@@ -61,6 +74,9 @@ support for WebAssembly.
 
 
 %changelog
+* Fri Sep 01 2023 Benjamin A. Beasley <code@musicinmybrain.net> - 1.1-23
+- Update License to SPDX
+
 * Wed Aug 30 2023 Benjamin A. Beasley <code@musicinmybrain.net> - 1.1-22
 - Rebuilt for abseil-cpp 20230802.0