diff --git a/openpgp/org.gajim.Gajim.Plugin.openpgp.metainfo.xml b/openpgp/org.gajim.Gajim.Plugin.openpgp.metainfo.xml
index 82902fc..9f8218e 100644
--- a/openpgp/org.gajim.Gajim.Plugin.openpgp.metainfo.xml
+++ b/openpgp/org.gajim.Gajim.Plugin.openpgp.metainfo.xml
@@ -6,7 +6,7 @@
   <summary>Experimental OpenPGP XEP-0373 Implementation</summary>
   <url type="homepage">https://gajim.org/</url>
   <metadata_license>CC-BY-SA-3.0</metadata_license>
-  <project_license>GPL-3.0</project_license>
+  <project_license>GPL-3.0-only</project_license>
   <update_contact>gajim-devel_AT_gajim.org</update_contact>
 </component>
 
diff --git a/pgp/org.gajim.Gajim.Plugin.pgp.metainfo.xml b/pgp/org.gajim.Gajim.Plugin.pgp.metainfo.xml
index 1fdf5ed..d4056b3 100644
--- a/pgp/org.gajim.Gajim.Plugin.pgp.metainfo.xml
+++ b/pgp/org.gajim.Gajim.Plugin.pgp.metainfo.xml
@@ -6,7 +6,7 @@
   <summary>XMPP Extension Protocol (XEP) for secure multi-client end-to-end encryption</summary>
   <url type="homepage">https://gajim.org/</url>
   <metadata_license>CC-BY-SA-3.0</metadata_license>
-  <project_license>GPL-3.0</project_license>
+  <project_license>GPL-3.0-only</project_license>
   <update_contact>gajim-devel_AT_gajim.org</update_contact>
 </component>