diff --git a/afl-1.89b.tgz b/afl-1.89b.tgz
deleted file mode 100644
index 537e62f..0000000
--- a/afl-1.89b.tgz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b74fd5eafe3394eddb2b1ed03f9355c01064474366e23c1eeedaff1f456bc0cb
-size 802395
diff --git a/afl-1.91b.tgz b/afl-1.91b.tgz
new file mode 100644
index 0000000..c6e6590
--- /dev/null
+++ b/afl-1.91b.tgz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fd2cf1b2296f87ca374b70bf9dbfc1493fea95b8f49e2cf4d08630a42d4d76ae
+size 802666
diff --git a/afl.changes b/afl.changes
index d773be8..b89396c 100644
--- a/afl.changes
+++ b/afl.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Thu Sep  3 14:32:09 UTC 2015 - astieger@suse.com
+
+- afl 1.91b:
+  * C++ instrumentation fixes
+- includes changes from 1.90b:
+  * documentation updates
+  * Fixed a potential problem with deferred mode signatures getting
+    optimized out by the linker (with --gc-sections).
+
 -------------------------------------------------------------------
 Wed Sep  2 07:57:31 UTC 2015 - astieger@suse.com
 
diff --git a/afl.spec b/afl.spec
index f334211..e687b70 100644
--- a/afl.spec
+++ b/afl.spec
@@ -17,7 +17,7 @@
 
 
 Name:           afl
-Version:        1.89b
+Version:        1.91b
 Release:        0
 Summary:        American fuzzy lop is a security-oriented fuzzer
 License:        Apache-2.0