diff --git a/iiab-install b/iiab-install
index 42eebef69..5179fdf42 100755
--- a/iiab-install
+++ b/iiab-install
@@ -10,7 +10,7 @@ CWD=`pwd`
 OS=`grep ^ID= /etc/*release|cut -d= -f2`
 OS=${OS//\"/}
 MIN_RPI_KERN=4.9.59-v7+
-MIN_ANSIBLE_VER=2.4.1.0
+MIN_ANSIBLE_VER=2.5.6
 
 export ANSIBLE_LOG_PATH="$CWD/iiab-install.log"