diff --git a/.cvsignore b/.cvsignore
index 807af01..52f7677 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1 +1 @@
-bison-2.1.tar.bz2
+bison-2.2.tar.bz2
diff --git a/sources b/sources
index 24f9734..5bb3f76 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-ef3110077462b1140b2ae612626e8486  bison-2.1.tar.bz2
+e345a5d021db850f06ce49eba78af027  bison-2.2.tar.bz2
diff --git a/upstream b/upstream
index 807af01..52f7677 100644
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-bison-2.1.tar.bz2
+bison-2.2.tar.bz2