diff --git a/bin/composer-post-install.sh b/bin/composer-post-install.sh
index 8d5109e0c..d4559e7d4 100755
--- a/bin/composer-post-install.sh
+++ b/bin/composer-post-install.sh
@@ -82,7 +82,7 @@ fi
 
 # Plugin version check.
 ELASTIC_PRESS_TARGET_PACKAGE="wpackagist-plugin/elasticpress"
-ELASTIC_PRESS_TARGET_VERSION="5.1.3"
+ELASTIC_PRESS_TARGET_VERSION="5.1.4"
 ELASTIC_PRESS_INSTALLED_VERSION=$(get_installed_version $ELASTIC_PRESS_TARGET_PACKAGE)
 # Variables for the find and replace.
 ELASTIC_PRESS_FILE=/var/www/html/public/app/mu-plugins/elasticpress/includes/classes/Indexable/Post/SyncManager.php
@@ -93,4 +93,7 @@ ELASTIC_PRESS_REPLACE="\t\$indexable->get( \$post_id ) \&\& \$this->action_delet
 if [ "$ELASTIC_PRESS_INSTALLED_VERSION" = "$ELASTIC_PRESS_TARGET_VERSION" ] ; then
   echo "Fixing warning in elasticpress. Checking for doc before deleting prevents 404s in logs..."
   sed -i "s/$ELASTIC_PRESS_SEARCH/$ELASTIC_PRESS_REPLACE/g" $ELASTIC_PRESS_FILE
+else
+  echo "Elasticpress target version is not installed - review composer-post-install.sh."
+  exit 1;
 fi