diff --git a/.gitignore b/.gitignore
index 54a412b..567dbd0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 /ipcalc-0.1.4.tar.gz
 /ipcalc-0.1.6.tar.gz
 /ipcalc-0.1.7.tar.gz
+/ipcalc-0.1.8.tar.gz
diff --git a/sources b/sources
index 5cb1aba..74932ef 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-5afe00e897b179567514660193125ffa  ipcalc-0.1.7.tar.gz
+765f05c0078634857870f229a91500d3  ipcalc-0.1.8.tar.gz