diff --git a/pkg/maps/4UMaps.xml b/pkg/maps/4UMaps.xml
index 374e3e16..1df217ed 100644
--- a/pkg/maps/4UMaps.xml
+++ b/pkg/maps/4UMaps.xml
@@ -4,4 +4,5 @@
 	<url>http://4umaps.eu/$z/$x/$y.png</url>
 	<zoom min="2" max="15"/>
 	<bounds bottom="-65"/>
+	<copyright>Map data: © OpenStreetMap contributors (ODbL) | Rendering: © 4UMaps.eu</copyright>
 </map>
diff --git a/pkg/maps/OpenStreetMap.xml b/pkg/maps/OpenStreetMap.xml
index 51cf8605..bd269deb 100644
--- a/pkg/maps/OpenStreetMap.xml
+++ b/pkg/maps/OpenStreetMap.xml
@@ -2,4 +2,5 @@
 <map>
 	<name>Open Street Map</name>
 	<url>http://tile.openstreetmap.org/$z/$x/$y.png</url>
+	<copyright>Map data: © OpenStreetMap contributors (ODbL) | Rendering: © OpenStreetMap (CC-BY-SA)</copyright>
 </map>
diff --git a/pkg/maps/OpenTopoMap.xml b/pkg/maps/OpenTopoMap.xml
index b076ace3..0385cecc 100644
--- a/pkg/maps/OpenTopoMap.xml
+++ b/pkg/maps/OpenTopoMap.xml
@@ -3,4 +3,5 @@
 	<name>Open Topo Map</name>
 	<url>https://a.tile.opentopomap.org/$z/$x/$y.png</url>
 	<zoom max="17"/>
+	<copyright>Map data: © OpenStreetMap contributors (ODbL), SRTM | Rendering: © OpenTopoMap (CC-BY-SA)</copyright>
 </map>
diff --git a/pkg/maps/USGS-imagery.xml b/pkg/maps/USGS-imagery.xml
index 30c684a8..abba390d 100644
--- a/pkg/maps/USGS-imagery.xml
+++ b/pkg/maps/USGS-imagery.xml
@@ -4,4 +4,5 @@
 	<url>https://navigator.er.usgs.gov/tiles/aerial_Imagery.cgi/$z/$x/$y</url>
 	<zoom min="2" max="15"/>
 	<bounds bottom="0" top="74"/>
+	<copyright>Map services and data available from U.S. Geological Survey, National Geospatial Program.</copyright>
 </map>
diff --git a/pkg/maps/USGS-topo.xml b/pkg/maps/USGS-topo.xml
index 629ea74c..643c777a 100644
--- a/pkg/maps/USGS-topo.xml
+++ b/pkg/maps/USGS-topo.xml
@@ -3,4 +3,5 @@
 	<name>USGS Topo</name>
 	<url>https://navigator.er.usgs.gov/tiles/tcr.cgi/$z/$x/$y.png</url>
 	<zoom min="2" max="15"/>
+	<copyright>Map services and data available from U.S. Geological Survey, National Geospatial Program.</copyright>
 </map>