diff --git a/.github/workflows/docker_management.branch.yml b/.github/workflows/docker_management.branch.yml
index 6ded04f41ed..ee6f79bfdd8 100644
--- a/.github/workflows/docker_management.branch.yml
+++ b/.github/workflows/docker_management.branch.yml
@@ -89,15 +89,15 @@ jobs:
         run: |
           value=`cat dev_tag`
           echo "DEV TAG is $value"
-          echo "DOCKER_DEV_TAG=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_DEV_TAG=$value" >> "$GITHUB_OUTPUT"
           value=`cat prod_tag_dated`
           echo "PROD TAG DATED is $value"
-          echo "DOCKER_PROD_TAG_DATED=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_PROD_TAG_DATED=$value" >> "$GITHUB_OUTPUT"
           value=`cat prod_tag_latest`
-          echo "DOCKER_PROD_TAG_LATEST=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_PROD_TAG_LATEST=$value" >> "$GITHUB_OUTPUT"
           echo "PROD TAG is $value"
           value=`cat repository_owner`
-          echo "REPO_OWNER=$value" >> $GITHUB_OUTPUT
+          echo "REPO_OWNER=$value" >> "$GITHUB_OUTPUT"
 
       - 
         name: Set up Docker Buildx
@@ -151,16 +151,16 @@ jobs:
         run: |
           value=`cat dev_tag`
           echo "TAG is $value"
-          echo "DOCKER_DEV_TAG=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_DEV_TAG=$value" >> "$GITHUB_OUTPUT"
           value=`cat prod_tag_dated`
           echo "TAG is $value"
-          echo "DOCKER_PROD_TAG_DATED=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_PROD_TAG_DATED=$value" >> "$GITHUB_OUTPUT"
           value=`cat prod_tag_latest`
-          echo "DOCKER_PROD_TAG_LATEST=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_PROD_TAG_LATEST=$value" >> "$GITHUB_OUTPUT"
           value=`cat mbed_os_version`
-          echo "MBED_OS_VERSION=$value" >> $GITHUB_OUTPUT
+          echo "MBED_OS_VERSION=$value" >> "$GITHUB_OUTPUT"
           value=`cat repository_owner`
-          echo "REPO_OWNER=$value" >> $GITHUB_OUTPUT
+          echo "REPO_OWNER=$value" >> "$GITHUB_OUTPUT"
 
       -
         name: Checkout
@@ -171,7 +171,7 @@ jobs:
         id: docker_info_dev
         run: |
           DIGEST=$(python ./.github/workflows/ci_scripts/ghcr_utils.py -u ${{ steps.build_info.outputs.REPO_OWNER }} -p ${{ secrets.GITHUB_TOKEN }} get-digest -r mbed-os-env-tmp -t ${{ steps.build_info.outputs.DOCKER_DEV_TAG }} -p ${{ matrix.platform }} )
-          echo "DIGEST=$DIGEST" >> $GITHUB_OUTPUT
+          echo "DIGEST=$DIGEST" >> "$GITHUB_OUTPUT"
           echo "Docker DIGEST: $DIGEST"
 
       # as the dev images are created only for master branch, run test against
@@ -228,14 +228,14 @@ jobs:
         run: |
           value=`cat dev_tag`
           echo "TAG is $value"
-          echo "DOCKER_DEV_TAG=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_DEV_TAG=$value" >> "$GITHUB_OUTPUT"
           value=`cat prod_tag_dated`
           echo "TAG is $value"
-          echo "DOCKER_PROD_TAG_DATED=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_PROD_TAG_DATED=$value" >> "$GITHUB_OUTPUT"
           value=`cat prod_tag_latest`
-          echo "DOCKER_PROD_TAG_LATEST=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_PROD_TAG_LATEST=$value" >> "$GITHUB_OUTPUT"
           value=`cat repository_owner`
-          echo "REPO_OWNER=$value" >> $GITHUB_OUTPUT
+          echo "REPO_OWNER=$value" >> "$GITHUB_OUTPUT"
           
       - 
         name: copy dev tag to prod
diff --git a/.github/workflows/docker_management.release.yml b/.github/workflows/docker_management.release.yml
index 4270b45d249..b461fde5ae9 100644
--- a/.github/workflows/docker_management.release.yml
+++ b/.github/workflows/docker_management.release.yml
@@ -107,14 +107,14 @@ jobs:
         run: |
           value=`cat dev_tag`
           echo "TAG is $value"
-          echo "DOCKER_DEV_TAG=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_DEV_TAG=$value" >> "$GITHUB_OUTPUT"
           value=`cat prod_tag_dated`
           echo "TAG is $value"
-          echo "DOCKER_PROD_TAG_DATED=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_PROD_TAG_DATED=$value" >> "$GITHUB_OUTPUT"
           value=`cat mbed_os_version`
-          echo "MBED_OS_VERSION=$value" >> $GITHUB_OUTPUT
+          echo "MBED_OS_VERSION=$value" >> "$GITHUB_OUTPUT"
           value=`cat repository_owner`
-          echo "REPO_OWNER=$value" >> $GITHUB_OUTPUT
+          echo "REPO_OWNER=$value" >> "$GITHUB_OUTPUT"
 
       - 
         name: Set up Docker Buildx
@@ -185,14 +185,14 @@ jobs:
         run: |
           value=`cat dev_tag`
           echo "TAG is $value"
-          echo "DOCKER_DEV_TAG=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_DEV_TAG=$value" >> "$GITHUB_OUTPUT"
           value=`cat prod_tag_dated`
           echo "TAG is $value"
-          echo "DOCKER_PROD_TAG_DATED=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_PROD_TAG_DATED=$value" >> "$GITHUB_OUTPUT"
           value=`cat mbed_os_version`
-          echo "MBED_OS_VERSION=$value" >> $GITHUB_OUTPUT
+          echo "MBED_OS_VERSION=$value" >> "$GITHUB_OUTPUT"
           value=`cat repository_owner`
-          echo "REPO_OWNER=$value" >> $GITHUB_OUTPUT
+          echo "REPO_OWNER=$value" >> "$GITHUB_OUTPUT"
 
       # as the dev images are created only for master branch, run test against
       # development branch of blinky
@@ -235,7 +235,7 @@ jobs:
         run: |
           cd mbed-os-example-blinky/mbed-os
           DIGEST=$(python ./.github/workflows/ci_scripts/ghcr_utils.py -u ${{ steps.build_info.outputs.REPO_OWNER }} -p ${{ secrets.GITHUB_TOKEN }} get-digest -r mbed-os-env-tmp -t ${{ steps.build_info.outputs.DOCKER_DEV_TAG }} -p ${{ matrix.platform }} )
-          echo "DIGEST=$DIGEST" >> $GITHUB_OUTPUT
+          echo "DIGEST=$DIGEST" >> "$GITHUB_OUTPUT"
           echo "Docker DIGEST: $DIGEST"
 
       - 
@@ -280,15 +280,15 @@ jobs:
         run: |
           value=`cat dev_tag`
           echo "DEV TAG is $value"
-          echo "DOCKER_DEV_TAG=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_DEV_TAG=$value" >> "$GITHUB_OUTPUT"
           value=`cat prod_tag_dated`
           echo "DATED PROD TAG is $value"
-          echo "DOCKER_PROD_TAG_DATED=$value" >> $GITHUB_OUTPUT
+          echo "DOCKER_PROD_TAG_DATED=$value" >> "$GITHUB_OUTPUT"
           value=`cat mbed_os_version`
           echo "MBED OS VERSION is $value"
-          echo "MBED_OS_VERSION=$value" >> $GITHUB_OUTPUT
+          echo "MBED_OS_VERSION=$value" >> "$GITHUB_OUTPUT"
           value=`cat repository_owner`
-          echo "REPO_OWNER=$value" >> $GITHUB_OUTPUT
+          echo "REPO_OWNER=$value" >> "$GITHUB_OUTPUT"
 
       - 
         name: copy dev tag to prod tags