diff --git a/.gitignore b/.gitignore
index d2ea47c..4f476e4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -290,3 +290,4 @@ calibre-0.7.14-nofonts.tar.xz
 /calibre-3.47.1-nofonts.tar.xz
 /calibre-3.48.0-nofonts.tar.xz
 /calibre-4.0.0-nofonts.tar.xz
+/calibre-4.1.0-nofonts.tar.xz
diff --git a/sources b/sources
index 905817a..bec6a9a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (calibre-4.0.0-nofonts.tar.xz) = a94372a965a0deaf4af31f85771bc504fbec126a1bea571bd7c90e9e1da7a3ffc9d56b979615057ec1900e2321310f752ef59ed34386a193a8b4ee631aaab8df
+SHA512 (calibre-4.1.0-nofonts.tar.xz) = 10021ea300c337b70d8cbf91bf00052638f47a2b35cfc7fe1306f5ce1ff00fe5922c3ee954e77e27988af4c514a53d7722cef1fe06f23189a6c81622cec5ebab