diff --git a/Misc/samtobreak.hs b/Misc/samtobreak.hs
index 1c15e8d13..875b42c7d 100644
--- a/Misc/samtobreak.hs
+++ b/Misc/samtobreak.hs
@@ -279,7 +279,7 @@ parseArgs = do
   where
   help = putStr (usageInfo usage options) >> exitSuccess
   tryHelp = "Try 'abyss-samtobreak --help' for more information."
-  version = "abyss-samtobreak (ABySS) 2.2.0\n"
+  version = "abyss-samtobreak (ABySS) 2.2.1\n"
   usage = "Usage: samtobreak [OPTION]... [FILE]...\n\
 \Calculate contig and scaffold contiguity and correctness metrics.\n"
 
diff --git a/bin/abyss-pe b/bin/abyss-pe
index 19e84ec1a..1d5804af8 100755
--- a/bin/abyss-pe
+++ b/bin/abyss-pe
@@ -398,7 +398,7 @@ help:
 	@echo 'Report bugs to https://github.com/bcgsc/abyss/issues or abyss-users@bcgsc.ca.'
 
 version:
-	@echo "abyss-pe (ABySS) 2.2.0"
+	@echo "abyss-pe (ABySS) 2.2.1"
 	@echo "Written by Shaun Jackman and Anthony Raymond."
 	@echo
 	@echo "Copyright 2012 Canada's Michael Smith Genome Science Centre"
diff --git a/configure.ac b/configure.ac
index 407dca3e0..b3c0968e3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.62)
-AC_INIT(ABySS, 2.2.0, abyss-users@bcgsc.ca, abyss,
+AC_INIT(ABySS, 2.2.1, abyss-users@bcgsc.ca, abyss,
 		http://www.bcgsc.ca/platform/bioinfo/software/abyss)
 
 AC_CONFIG_MACRO_DIR([m4])
diff --git a/doc/ABYSS.1 b/doc/ABYSS.1
index 453c04c5b..1dce22566 100644
--- a/doc/ABYSS.1
+++ b/doc/ABYSS.1
@@ -1,4 +1,4 @@
-.TH ABYSS "1" "2015-May" "ABYSS (ABySS) 2.2.0" "User Commands"
+.TH ABYSS "1" "2015-May" "ABYSS (ABySS) 2.2.1" "User Commands"
 .SH NAME
 ABYSS \- assemble short reads into contigs
 .SH SYNOPSIS
diff --git a/doc/abyss-pe.1 b/doc/abyss-pe.1
index deb817d5a..e2b1d32a8 100644
--- a/doc/abyss-pe.1
+++ b/doc/abyss-pe.1
@@ -1,4 +1,4 @@
-.TH abyss-pe "1" "2015-May" "abyss-pe (ABySS) 2.2.0" "User Commands"
+.TH abyss-pe "1" "2015-May" "abyss-pe (ABySS) 2.2.1" "User Commands"
 .SH NAME
 abyss-pe - assemble reads into contigs
 .SH SYNOPSIS
diff --git a/doc/abyss-tofastq.1 b/doc/abyss-tofastq.1
index 81e0418b9..694ef6baf 100644
--- a/doc/abyss-tofastq.1
+++ b/doc/abyss-tofastq.1
@@ -1,4 +1,4 @@
-.TH abyss-tofastq "1" "2015-May" "ABySS 2.2.0" "User Commands"
+.TH abyss-tofastq "1" "2015-May" "ABySS 2.2.1" "User Commands"
 .SH NAME
 abyss-tofastq \- convert various file formats to FASTQ format
 .br