diff --git a/.hgignore b/.hgignore
index 38cd8d05d..340172127 100644
--- a/.hgignore
+++ b/.hgignore
@@ -10,3 +10,4 @@
 ^\.waf
 ^doc/introspected-doxygen\.h$
 .*\.py[co]$
+\.pcap$