diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f7e776fdd..aca7c34b0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -38,5 +38,5 @@ jobs:
           SLACK_MESSAGE: 'Cerberus main build has failed :build-failed:'
           SLACK_ICON: https://github.githubassets.com/images/modules/logos_page/GitHub-Mark.png
           SLACK_TITLE: Cerberus Build Failure Notification
-          SLACK_COLOR: #FF0000
+          SLACK_COLOR: '#FF0000'
           SLACK_USERNAME: GitHub Actions
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 305c45486..b8b34a9f4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -51,5 +51,5 @@ jobs:
           SLACK_MESSAGE: 'Cerberus release workflow has failed :build-failed:'
           SLACK_ICON: https://github.githubassets.com/images/modules/logos_page/GitHub-Mark.png
           SLACK_TITLE: Cerberus Build Failure Notification
-          SLACK_COLOR: #FF0000
+          SLACK_COLOR: '#FF0000'
           SLACK_USERNAME: GitHub Actions