diff -Nru lua-sec-0.9/debian/changelog lua-sec-0.9/debian/changelog
--- lua-sec-0.9/debian/changelog	2019-12-30 09:53:07.000000000 +0000
+++ lua-sec-0.9/debian/changelog	2020-01-03 14:50:17.000000000 +0000
@@ -1,3 +1,9 @@
+lua-sec (0.9-3) unstable; urgency=medium
+
+  * fix tests, let the OS choose a free port
+
+ -- Victor Seva <vseva@debian.org>  Fri, 03 Jan 2020 15:50:17 +0100
+
 lua-sec (0.9-2) unstable; urgency=medium
 
   * update to debhelper 12
diff -Nru lua-sec-0.9/debian/patches/0001-test.patch lua-sec-0.9/debian/patches/0001-test.patch
--- lua-sec-0.9/debian/patches/0001-test.patch	2019-12-30 09:53:07.000000000 +0000
+++ lua-sec-0.9/debian/patches/0001-test.patch	2020-01-03 14:50:17.000000000 +0000
@@ -4,14 +4,14 @@
 
 ---
  test.lua |  2 ++
- test.sh  | 13 +++++++++++++
- 2 files changed, 15 insertions(+)
+ test.sh  | 14 ++++++++++++++
+ 2 files changed, 16 insertions(+)
  create mode 100644 test.lua
  create mode 100644 test.sh
 
 diff --git a/test.lua b/test.lua
 new file mode 100644
-index 0000000..7b00731
+index 0000000..7681667
 --- /dev/null
 +++ b/test.lua
 @@ -0,0 +1,2 @@
@@ -19,7 +19,7 @@
 +if rc == true then os.exit(0) elseif rc== 0 then os.exit(0) else os.exit(1); end
 diff --git a/test.sh b/test.sh
 new file mode 100644
-index 0000000..5af8612
+index 0000000..dbb2e1c
 --- /dev/null
 +++ b/test.sh
 @@ -0,0 +1,14 @@
diff -Nru lua-sec-0.9/debian/patches/0003-oneshot-let-the-OS-choose-a-free-port.patch lua-sec-0.9/debian/patches/0003-oneshot-let-the-OS-choose-a-free-port.patch
--- lua-sec-0.9/debian/patches/0003-oneshot-let-the-OS-choose-a-free-port.patch	1970-01-01 00:00:00.000000000 +0000
+++ lua-sec-0.9/debian/patches/0003-oneshot-let-the-OS-choose-a-free-port.patch	2020-01-03 14:50:17.000000000 +0000
@@ -0,0 +1,61 @@
+From: Victor Seva <linuxmaniac@torreviejawireless.org>
+Date: Fri, 3 Jan 2020 14:02:36 +0100
+Subject: oneshot: let the OS choose a free port
+
+---
+ samples/oneshot/client.lua | 4 +++-
+ samples/oneshot/server.lua | 4 +++-
+ test.sh                    | 9 ++++++---
+ 3 files changed, 12 insertions(+), 5 deletions(-)
+
+diff --git a/samples/oneshot/client.lua b/samples/oneshot/client.lua
+index 48bc0bb..b652698 100644
+--- a/samples/oneshot/client.lua
++++ b/samples/oneshot/client.lua
+@@ -15,7 +15,9 @@ local params = {
+ }
+ 
+ local peer = socket.tcp()
+-peer:connect("127.0.0.1", 8888)
++local port = 8888
++if arg[1] then port = arg[1] end
++peer:connect("127.0.0.1", port)
+ 
+ -- [[ SSL wrapper
+ peer = assert( ssl.wrap(peer, params) )
+diff --git a/samples/oneshot/server.lua b/samples/oneshot/server.lua
+index b3bcd8d..0952986 100644
+--- a/samples/oneshot/server.lua
++++ b/samples/oneshot/server.lua
+@@ -21,7 +21,9 @@ local ctx = assert(ssl.newcontext(params))
+ 
+ local server = socket.tcp()
+ server:setoption('reuseaddr', true)
+-assert( server:bind("127.0.0.1", 8888) )
++assert( server:bind("127.0.0.1", 0) )
++local ip, port = server:getsockname()
++io.stderr:write(port)
+ server:listen()
+ 
+ local peer = server:accept()
+diff --git a/test.sh b/test.sh
+index dbb2e1c..b6b5d43 100644
+--- a/test.sh
++++ b/test.sh
+@@ -5,10 +5,13 @@ set -x
+ set -m
+ 
+ cd samples/oneshot/
+-
+-lua$1 server.lua &
++port_file=$(mktemp)
++lua$1 server.lua 2>${port_file} &
+ sleep 1
+ ret=0
+-lua$1 client.lua || ret=$?
++port=$(cat ${port_file})
++echo "server port is: $port"
++lua$1 client.lua $port || ret=$?
+ kill -9 %1 || true
++rm -f ${port_file}
+ exit $ret
diff -Nru lua-sec-0.9/debian/patches/series lua-sec-0.9/debian/patches/series
--- lua-sec-0.9/debian/patches/series	2019-12-30 09:53:07.000000000 +0000
+++ lua-sec-0.9/debian/patches/series	2020-01-03 14:50:17.000000000 +0000
@@ -1,2 +1,3 @@
 0001-test.patch
 0002-lua-sec.h.patch
+0003-oneshot-let-the-OS-choose-a-free-port.patch