[SEBA-494] Better handling of version numbers

Change-Id: If3a7d9c6e34dc8a9a077144d5a3eb9e6b0630460
diff --git a/containers/chameleon/Dockerfile.chameleon b/containers/chameleon/Dockerfile.chameleon
index 6e326dc..83df7fd 100644
--- a/containers/chameleon/Dockerfile.chameleon
+++ b/containers/chameleon/Dockerfile.chameleon
@@ -14,7 +14,7 @@
 
 # xosproject/chameleon
 
-FROM xosproject/xos-base:2.2.0
+FROM xosproject/xos-base:2.2.1
 
 # xos-base already has protoc and dependencies installed
 
diff --git a/containers/xos/Dockerfile.client b/containers/xos/Dockerfile.client
index 083d01a..8208ec9 100644
--- a/containers/xos/Dockerfile.client
+++ b/containers/xos/Dockerfile.client
@@ -14,7 +14,7 @@
 
 # xosproject/xos-client
 
-FROM xosproject/xos-libraries:2.2.0
+FROM xosproject/xos-libraries:2.2.1
 
 # Install XOS client
 COPY lib/xos-api /tmp/xos-api
diff --git a/containers/xos/Dockerfile.libraries b/containers/xos/Dockerfile.libraries
index 4171077..5a211fa 100644
--- a/containers/xos/Dockerfile.libraries
+++ b/containers/xos/Dockerfile.libraries
@@ -14,7 +14,7 @@
 
 # xosproject/xos-libraries
 
-FROM xosproject/xos-base:2.2.0
+FROM xosproject/xos-base:2.2.1
 
 # Add libraries
 COPY lib /opt/xos/lib
diff --git a/containers/xos/Dockerfile.synchronizer-base b/containers/xos/Dockerfile.synchronizer-base
index 0110aca..ec745c4 100644
--- a/containers/xos/Dockerfile.synchronizer-base
+++ b/containers/xos/Dockerfile.synchronizer-base
@@ -14,7 +14,7 @@
 
 # xosproject/xos-synchronizer-base
 
-FROM xosproject/xos-client:2.2.0
+FROM xosproject/xos-client:2.2.1
 
 COPY xos/synchronizers/new_base /opt/xos/synchronizers/new_base
 COPY xos/xos/logger.py /opt/xos/xos/logger.py
diff --git a/containers/xos/Dockerfile.xos-core b/containers/xos/Dockerfile.xos-core
index 6d024b9..802373b 100644
--- a/containers/xos/Dockerfile.xos-core
+++ b/containers/xos/Dockerfile.xos-core
@@ -14,7 +14,7 @@
 
 # xosproject/xos-core
 
-FROM xosproject/xos-libraries:2.2.0
+FROM xosproject/xos-libraries:2.2.1
 
 # Install XOS
 ADD xos /opt/xos