diff --git a/.github/workflows/jlpkgbutler-ci-master-workflow.yml b/.github/workflows/jlpkgbutler-ci-master-workflow.yml
index ed4e3bbc2..ee99a5d8b 100644
--- a/.github/workflows/jlpkgbutler-ci-master-workflow.yml
+++ b/.github/workflows/jlpkgbutler-ci-master-workflow.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        julia-version: [1.2.0, 1.3.1, 1.4.1]
+        julia-version: ['1.2', '1.3', '1.4']
         julia-arch: [x64, x86]
         os: [ubuntu-latest, windows-latest, macOS-latest]
         exclude:
diff --git a/.github/workflows/jlpkgbutler-ci-pr-workflow.yml b/.github/workflows/jlpkgbutler-ci-pr-workflow.yml
index 2795eb5b6..bf4aea6a1 100644
--- a/.github/workflows/jlpkgbutler-ci-pr-workflow.yml
+++ b/.github/workflows/jlpkgbutler-ci-pr-workflow.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        julia-version: [1.2.0, 1.3.1, 1.4.1]
+        julia-version: ['1.2', '1.3', '1.4']
         julia-arch: [x64, x86]
         os: [ubuntu-latest, windows-latest, macOS-latest]
         exclude: