diff --git a/meson.build b/meson.build
index 5365aaf95e6..28706bcf3bb 100644
--- a/meson.build
+++ b/meson.build
@@ -3469,6 +3469,8 @@ installed_targets = [
   backend_targets,
   bin_targets,
   libpq_st,
+  libpq_oauth_so,
+  libpq_oauth_st,
   pl_targets,
   contrib_targets,
   nls_mo_targets,