diff --git a/scripts/jenkins-build.sh b/scripts/jenkins-build.sh
index 48740f7..a7c5644 100644
--- a/scripts/jenkins-build.sh
+++ b/scripts/jenkins-build.sh
@@ -27,6 +27,9 @@
 # - it detects the branch under which the CCPi is build, master is uploaded to anaconda channel, non-master branch isn't
 # NO_GPU - if set to true, GPU driver information is not printed
 # RECIPE_PATH - if set, uses this as the path to the conda recipe instead of Wrappers/Python/conda-recipe
+# TEST_PY - Can be set to a bash array of versions to test if not tag i.e (3.8 3.8 3.10 3.10)
+# TEST_NP - Can be set to a bash array of versions to test if not tag i.e (1.21 1.23 1.21 1.23)
+
 echo CCPi build 
 echo called with arguments: $@
 echo CCPI_BUILD_ARGS: $CCPI_BUILD_ARGS
@@ -36,7 +39,8 @@ if [[ -z ${NO_GPU} ]] || [ ${NO_GPU} = false ]; then
   nvidia-smi
 fi
 
-if [[ -z ${RECIPE_PATH} ]] ; then
+
+if [[ ! -n ${RECIPE_PATH} ]] ; then
   export RECIPE_PATH=Wrappers/Python/conda-recipe
 fi
 
@@ -83,6 +87,18 @@ cat .git/HEAD
 
 conda install -y conda-build
 
+
+# set test Python and NumPy version
+TEST_ALL=true
+
+if [[ ${ncommits} != "0" ]]; then
+
+  if [[ -n ${TEST_PY} && -n ${TEST_NP} ]]; then
+    TEST_ALL=false
+  fi
+
+fi
+
 #This may be removed in future
 if [[ -n ${CCPI_PRE_BUILD} ]]; then
   eval conda build "${CCPI_PRE_BUILD}"
@@ -92,14 +108,31 @@ else
 fi
 # need to call first build
 
-if [[ -d ${RECIPE_PATH} ]]; then
-  eval conda build ${RECIPE_PATH} "$CCPI_BUILD_ARGS" "$@"
-fi
 
+# set path to recipe if recipe exists
 if [[ -d recipe ]]; then
-  eval conda build recipe "$CCPI_BUILD_ARGS" "$@"
+  RECIPE_PATH=recipe
+fi
+
+if [[ ${TEST_ALL} == true ]]; then
+  # build and test all
+  eval conda build ${RECIPE_PATH} "$CCPI_BUILD_ARGS" "$@"
+else
+  # first build all
+  eval conda build --no-test ${RECIPE_PATH} "$CCPI_BUILD_ARGS" "$@"
+  #then build some with tests
+  for i in ${!TEST_PY[@]};
+  do
+    py_ver=${TEST_PY[$i]}
+    np_ver=${TEST_NP[$i]}
+    eval conda build ${RECIPE_PATH} "$CCPI_BUILD_ARGS" "$@" --python=${py_ver} --numpy=${np_ver}
+  done
 fi
 
+# get list of created files
+export REG_FILES=`ls /home/jenkins/conda-bld/linux-64/*${CIL_VERSION}*${ncommits}.tar.bz2`
+
+
 if ls /home/jenkins/conda-bld/linux-64/*${CIL_TAG_PREV}*.tar.bz2 1> /dev/null 2>&1; then
   export REG_FILES=`ls /home/jenkins/conda-bld/linux-64/*${CIL_TAG_PREV}*.tar.bz2`
 elif ls /home/jenkins/conda-bld/noarch/*${CIL_TAG_PREV}*.tar.bz2 1> /dev/null 2>&1; then