diff --git a/.Rbuildignore b/.Rbuildignore
index 982cfdc..9b9b85c 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,6 +1,7 @@
 ^.*\.Rproj$
 ^\.Rproj\.user$
 ^README\.Rmd$
+^LICENSE.md$
 ^working$
 ^pkgdown$
 ^data-raw$
diff --git a/DESCRIPTION b/DESCRIPTION
index a82850c..73a7088 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -2,8 +2,10 @@ Package: ggpattern
 Type: Package
 Title: Geoms with Patterns
 Version: 0.2.0
-Authors@R: person("Mike", "FC", email = "mikefc@coolbutuseless.com",
-                  role = c("aut", "cre"))
+Authors@R: c(person("Mike", "FC", email = "mikefc@coolbutuseless.com",
+                    role = c("aut", "cre"))
+             person("Trevor L", "Davis", role = "aut"),
+             person("ggplot2 authors", role = "cph"))
 Description: Geoms with patterns for ggplot2.
 URL: http://github.com/coolbutuseless/ggpattern, https://coolbutuseless.github.io/package/ggpattern/index.html 
 BugReports: http://github.com/coolbutuseless/ggpattern/issues
diff --git a/LICENSE b/LICENSE
index 2ae4922..f821926 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,19 +1,8 @@
-Copyright (c) 2020 mikefc@coolbutuseless.com
+YEAR 2021
+COPYRIGHT HOLDER: ggpattern authors
 
-    Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+YEAR 2020
+COPYRIGHT HOLDER: mikefc@coolbutuseless.com
 
-    The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
+YEAR 2020
+COPYRIGHT HOLDER: ggplot2 authors
diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000..144901a
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,27 @@
+The MIT License (MIT)
+=====================
+
+Copyright © 2021 ggpattern authors  
+Copyright © 2020 mikefc@coolbutuseless.com 
+Copyright © 2020 ggplot2 authors 
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the “Software”), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.