diff --git a/Makefile b/Makefile
index 437e9fc6..e14654d5 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ zips/packages/natural_earth_vector.zip: \
 	zips/110m_cultural/110m_cultural.zip \
 	zips/110m_physical/110m_physical.zip \
 	zips/packages/natural_earth_vector.sqlite.zip \
-	housekeeping/ne_admin_0_details.xls
+	housekeeping/ne_admin_0_details.ods
 
 	zip -r $@ 10m_cultural 10m_physical 50m_cultural 50m_physical 110m_cultural 110m_physical housekeeping tools VERSION README.md CHANGELOG
 	#Bake off a version'd iteration of that file, too
@@ -72,13 +72,13 @@ zips/housekeeping: \
 
 
 zips/housekeeping/ne_admin_0_details.zip:
-	zip -r $@ housekeeping/ne_admin_0_details.xls VERSION README.md CHANGELOG
+	zip -r $@ housekeeping/ne_admin_0_details.ods VERSION README.md CHANGELOG
 
 zips/housekeeping/ne_admin_0_full_attributes.zip:
-	zip -r $@ housekeeping/ne_admin_0_full_attributes.xls VERSION README.md CHANGELOG
+	zip -r $@ housekeeping/ne_admin_0_full_attributes.ods VERSION README.md CHANGELOG
 
 zips/housekeeping/ne_themes_versions.zip:
-	zip -r $@ housekeeping/ne_themes_versions.xls VERSION README.md CHANGELOG
+	zip -r $@ housekeeping/ne_themes_versions.ods VERSION README.md CHANGELOG
 
 
 
diff --git a/housekeeping/ne_admin_0_full_attributes.ods b/housekeeping/ne_admin_0_full_attributes.ods
new file mode 100644
index 00000000..c5c02a53
Binary files /dev/null and b/housekeeping/ne_admin_0_full_attributes.ods differ
diff --git a/housekeeping/ne_admin_0_full_attributes.xls b/housekeeping/ne_admin_0_full_attributes.xls
deleted file mode 100755
index 1c93d26f..00000000
Binary files a/housekeeping/ne_admin_0_full_attributes.xls and /dev/null differ
diff --git a/housekeeping/ne_themes_versions.ods b/housekeeping/ne_themes_versions.ods
new file mode 100644
index 00000000..e652942b
Binary files /dev/null and b/housekeeping/ne_themes_versions.ods differ
diff --git a/housekeeping/ne_themes_versions.xls b/housekeeping/ne_themes_versions.xls
deleted file mode 100644
index 390309d9..00000000
Binary files a/housekeeping/ne_themes_versions.xls and /dev/null differ