diff --git a/.gitignore b/.gitignore
index b4b4af2..b7f457c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /krandown-*.gem
+/kramdown-2.4.0.gem
diff --git a/sources b/sources
index 253f2f5..8182269 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (kramdown-2.3.2.gem) = 268b55b45ad2c6dd02776abd5777c7f51ea8724c64b03d8a859bd809b54b181e018fcf5ca38170c89acfac5cef2e6de253f1c6037fe642c6c093e339fd8f4d1b
+SHA512 (kramdown-2.4.0.gem) = 8e52c5cc53d2f0085e30188aa7bf67f92dfe7f0801297c6a45293cca307e3442baa06443638c1161dad4a4aa332cbc5b4f9b6281ba4c6346122a9fff5a3743c7