diff --git a/docs.tar.gz b/docs.tar.gz
index 947cd90..94f8011 100644
Binary files a/docs.tar.gz and b/docs.tar.gz differ
diff --git a/lib/PCAP.pm b/lib/PCAP.pm
index c2f06f4..7f3cebe 100644
--- a/lib/PCAP.pm
+++ b/lib/PCAP.pm
@@ -26,7 +26,7 @@ use base 'Exporter';
 use FindBin qw($Bin);
 use File::Which qw(which);
 
-our $VERSION = '2.1.0';
+our $VERSION = '2.1.2';
 our @EXPORT = qw($VERSION _which);
 
 const my $LICENSE =>
@@ -74,6 +74,7 @@ const my %UPGRADE_PATH => ( # all earlier versions need full upgrade
                             '2.0.0'  => 'biobambam',
                             '2.0.1' => '',
                             '2.1.0' => '',
+                            '2.1.2' => '',
                           );
 
 sub license {
diff --git a/prerelease.sh b/prerelease.sh
index 333aadc..105b017 100755
--- a/prerelease.sh
+++ b/prerelease.sh
@@ -20,15 +20,26 @@ fi
 # change into the location of the script
 cd $MY_PATH
 
-echo '### Running perl tests ###'
+echo -e '\n### Compile/Test C ###\n'
+set +u
+if [ "x$HTSLIB" == "x" ]; then
+  echo -e '\n\t$HTSLIB not defined skipping C compile/test\n'
+else
+  make -C c clean
+  make -C c
+  make -C c clean
+fi
+set -u
+
+echo -e '\n\n### Running perl tests ###\n'
 
 export HARNESS_PERL_SWITCHES=-MDevel::Cover=-db,reports,-select='^lib/*\.pm$',-ignore,'^t/'
 rm -rf reports docs pm_to_blib blib
 cover -delete
 mkdir -p docs/reports_text
 prove -w -I ./lib
-echo
-echo '### Generating test/pod coverage reports ###'
+
+echo -e '\n\n### Generating test/pod coverage reports ###\n'
 # removed 'condition' from coverage as '||' 'or' doesn't work properly
 cover -coverage branch,subroutine,pod -report_c0 50 -report_c1 85 -report_c2 100 -report html_basic reports -silent
 cover -coverage branch,subroutine,pod -report text reports -silent > docs/reports_text/coverage.txt