diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9985bd48f6bd..03b0ff9b4821 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -103,8 +103,9 @@ jobs:
       - name: Save SDK version for later
         run: |
           echo "Saving SDK_VERSION for later"
-          export SDK_VERSION=$(cat packages/core/src/version.ts | cut -f5 -d' ' | tr -d "'" | tr -d ";")
-          echo $SDK_VERSION > dist-serverless/version
+          cat packages/core/src/version.ts | awk -F"'" '{print $2}' > dist-serverless/version
+          [ -z $(cat dist-serverless/version) ] && echo "Version extraction failed" && exit 1
+
     outputs:
       # this needs to be passed on, because the `needs` context only looks at direct ancestors (so steps which depend on
       # `job_build` can't see `job_install_deps` and what it returned)
@@ -510,7 +511,7 @@ jobs:
   job_build_aws_lambda_layer:
     name: Build AWS Lambda Layer
     needs: job_build
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest106
     steps:
       - name: Check out current commit (${{ env.HEAD_COMMIT }})
         uses: actions/checkout@v2