diff --git a/R/defaults/main.yml b/R/defaults/main.yml
index 3a84881..dbcd237 100644
--- a/R/defaults/main.yml
+++ b/R/defaults/main.yml
@@ -78,6 +78,9 @@ r_plugins_packages_list:
   - r-cran-spatial
   - r-cran-survival
 
+r_apt_additional_repos:
+  - 'ppa:opencpu/jq'
+
 # r_plugins_list_to_install:
 #   - { name: 'R2WinBUGS', repo: '{{ r_cran_mirror_site }}' }
 #   - { name: 'R2jags', repo: '{{ r_cran_mirror_site }}' }
diff --git a/R/tasks/r-installation.yml b/R/tasks/r-installation.yml
index eee9c48..6a97cee 100644
--- a/R/tasks/r-installation.yml
+++ b/R/tasks/r-installation.yml
@@ -38,9 +38,14 @@
   tags: [ 'r_software', 'r_profile', 'r_pkg' ]
   
 - name: Configure the JDK environment
-  command: R CMD javareconf
+  shell: export JAVA_HOME=/usr/lib/jvm/java-8-oracle ; export J2SDKDIR=/usr/lib/jvm/java-8-oracle ; export J2REDIR=/usr/lib/jvm/java-8-oracle/jre ; R CMD javareconf
   ignore_errors: True
   tags: [ 'r_software', 'r_profile', 'r_pkg', 'r_java' ]
+
+- name: Install some additional repositories. They provide dependencies for some R packages
+  apt_repository: repo={{ item }} state=present update_cache=yes
+  with_items: '{{ r_apt_additional_repos }}'
+  tags: [ 'r_software', 'r_apt_repo', 'r_deps' ]
   
 - name: Install some packages needed by R packages when installed from source
   apt: pkg={{ item }} state={{ r_packages_state }} update_cache=yes force=yes cache_valid_time=3600