diff --git a/IM/__init__.py b/IM/__init__.py
index 7bb7c65f3..1d81b157d 100644
--- a/IM/__init__.py
+++ b/IM/__init__.py
@@ -19,5 +19,5 @@
            'InfrastructureInfo', 'InfrastructureManager', 'recipe', 'request', 'REST', 'retry',
            'ServiceRequests', 'SSH', 'SSHRetry', 'timedcall', 'UnixHTTPAdapter', 'uriparse',
            'VirtualMachine', 'VMRC', 'xmlobject']
-__version__ = '1.7.2'
+__version__ = '1.7.3'
 __author__ = 'Miguel Caballer'
diff --git a/changelog b/changelog
index 59bfa32da..ca04cb91c 100644
--- a/changelog
+++ b/changelog
@@ -416,3 +416,8 @@ IM 1.7.2:
     * Add support to availability_zone in tosca.policies.Placement.
     * Enable to set instance_tags in connectors.
     * Fix error in Azure conn: VM disks are not deleted when VM is finalized, only when Infrastructure is destroyed.
+
+IM 1.7.3:
+    * Fix error getting VM info in case of having an HD added.
+    * Improve OpenStack network management.
+    * Enable to set poolname in the TOSCA docs.
diff --git a/docker-devel/Dockerfile b/docker-devel/Dockerfile
index 0b4958ab7..8f28d5c88 100644
--- a/docker-devel/Dockerfile
+++ b/docker-devel/Dockerfile
@@ -2,7 +2,7 @@
 FROM grycap/jenkins:ubuntu16.04-im
 ARG BRANCH=devel
 MAINTAINER Miguel Caballer <micafer1@upv.es>
-LABEL version="1.7.2"
+LABEL version="1.7.3"
 LABEL description="Container image to run the IM service. (http://www.grycap.upv.es/im)"
 
 EXPOSE 8899 8800
diff --git a/docker-py3/Dockerfile b/docker-py3/Dockerfile
index 7f0a6627d..dd2847f23 100644
--- a/docker-py3/Dockerfile
+++ b/docker-py3/Dockerfile
@@ -1,7 +1,7 @@
 # Dockerfile to create a container with the IM service
 FROM ubuntu:16.04
 LABEL maintainer="Miguel Caballer <micafer1@upv.es>"
-LABEL version="1.7.2"
+LABEL version="1.7.3"
 LABEL description="Container image to run the IM service. (http://www.grycap.upv.es/im)"
 EXPOSE 8899 8800
 
@@ -16,7 +16,7 @@ RUN pip3 install msrest msrestazure azure-common azure-mgmt-storage azure-mgmt-c
 
 # Install IM
 RUN apt-get update && apt-get install --no-install-recommends -y gcc libssl-dev libffi-dev libsqlite3-dev && \
-     pip3 install IM==1.7.2 && \
+     pip3 install IM==1.7.3 && \
      apt-get remove -y gcc libssl-dev libffi-dev libsqlite3-dev python-dev python-pip && \
      apt-get autoremove -y && \
      rm -rf /var/lib/apt/lists/*
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 5b009cc4f..bae19819f 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,7 +1,7 @@
 # Dockerfile to create a container with the IM service
 FROM ubuntu:18.04
 LABEL maintainer="Miguel Caballer <micafer1@upv.es>"
-LABEL version="1.7.2"
+LABEL version="1.7.3"
 LABEL description="Container image to run the IM service. (http://www.grycap.upv.es/im)"
 EXPOSE 8899 8800
 
@@ -15,7 +15,7 @@ RUN pip install pyOpenSSL --upgrade -I
 RUN apt-get update && apt-get install --no-install-recommends -y gcc libmysqld-dev libssl-dev libffi-dev libsqlite3-dev libmysqlclient20 && \
      pip install pycrypto && \
      pip install MySQL-python && \
-     pip install IM==1.7.2 && \
+     pip install IM==1.7.3 && \
      apt-get purge -y gcc libmysqld-dev libssl-dev libffi-dev libsqlite3-dev python-dev python-pip && \
      apt-get autoremove -y && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* && rm -rf ~/.cache/