diff --git a/.gitignore b/.gitignore
index 90bf790..3189786 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@
 /2.4.0.tar.gz
 /2.4.1.tar.gz
 /2.4.3.tar.gz
+/2.5.4.tar.gz
diff --git a/sources b/sources
index 8e5e2c5..f46260f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (2.4.3.tar.gz) = f971b416881457085018a5ddc8acbf03de5564f0e6b7177f1e36ff3a8e426bb814b35b639ddcb3a2339b2eb5b7e85076c6a95dbea629312a8c6329ee3f0ec286
+SHA512 (2.5.4.tar.gz) = 0e525ac268e09ead37a66b0977305fbb308bbb6ecb9b9b256758da3298f3725d5ae66d3dd87eca4a60843c2bd0826800ed079e3cbc8ec2f1b6319ff76dff5241