diff --git a/subprojects/libcr51sign/include/meson.build b/subprojects/libcr51sign/include/meson.build
new file mode 100644
index 0000000..fc9ec3a
--- /dev/null
+++ b/subprojects/libcr51sign/include/meson.build
@@ -0,0 +1,20 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+libcr51sign_includes = include_directories('.')
+
+install_subdir(
+  'libcr51sign',
+  install_dir: get_option('includedir'),
+  strip_directory: false)