diff --git a/.circleci/config.yml b/.circleci/config.yml
index b087b2b..cee5d3b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,11 +3,9 @@ jobs:
   build:
     docker:
       - image: circleci/node:latest
+    resource_class: medium
     working_directory: ~/app
     steps:
-      - add_ssh_keys:
-          fingerprints:
-            - "9d:a2:fe:4c:56:e8:f7:91:14:ed:b8:dd:34:98:25:e9"
       - checkout
       - run:
           name: Install npm deployment app
@@ -16,6 +14,7 @@ jobs:
           name: Check if this is a new release
           command: |
             set +e
+            PACKAGE_VERSION=$(cat package.json | grep version | head -1 | awk -F: '{ print $2 }' | sed 's/[", ]//g')
             github-release list --owner $CIRCLE_PROJECT_USERNAME --repo $CIRCLE_PROJECT_REPONAME | grep "tag_name=\"v${PACKAGE_VERSION}\""
             retVal=$?
             if [ $retVal -eq 0 ]; then
@@ -27,13 +26,19 @@ jobs:
           command: |
             echo "export COMMIT_MESSAGE=\"$(git log --format=oneline -n 1 $CIRCLE_SHA1)\"" >> $BASH_ENV
             source $BASH_ENV
+      - run:
+          name: Get 7zz
+          command: |
+            wget https://www.7-zip.org/a/7z2106-linux-x64.tar.xz
+            tar -xvf 7z2106-linux-x64.tar.xz
       - deploy:
           name: Create a release
           command: |
             PACKAGE_VERSION=$(cat package.json | grep version | head -1 | awk -F: '{ print $2 }' | sed 's/[", ]//g')
-            echo "Packaging to ${CIRCLE_PROJECT_REPONAME}_build-sc.zip"
-            zip "${CIRCLE_PROJECT_REPONAME}_build-sc-core.zip" runner.mjs package.json service/* core/**/* core/*
-            zip "${CIRCLE_PROJECT_REPONAME}_app.zip" runner.mjs package.json service/* core/**/* core/* service/* config.json install.bat npminstall.bat README.md start.bat stop.bat uninstall.bat
+            echo "Creating release v${PACKAGE_VERSION}"
+            
+            ./7zz a "${CIRCLE_PROJECT_REPONAME}_build-sc-core.7z" runner.mjs package.json "service/*" "core/**/*" "core/*" -mx9 -mfb273 -mmt2 -md16M -mqs -myx9
+            ./7zz a "${CIRCLE_PROJECT_REPONAME}_app.zip" runner.mjs package.json "service/*" "core/**/*" "core/*" config.json install.bat npminstall.bat README.md uninstall.bat
             echo "Creating release '${PACKAGE_VERSION}'"
             github-release upload \
               --commitish $CIRCLE_SHA1 \