diff --git a/.github/workflows/gcc.yml b/.github/workflows/gcc.yml
index 112430b..cf33887 100644
--- a/.github/workflows/gcc.yml
+++ b/.github/workflows/gcc.yml
@@ -67,7 +67,7 @@ jobs:
       - name: install-dependencies-with-spack
         # if: steps.cache-env.outputs.cache-hit != 'true'
         run: |
-	  rm -rf spack
+          rm -rf spack
           git clone -c feature.manyFiles=true https://github.com/JCSDA/spack.git
           source spack/share/spack/setup-env.sh
           spack env create gsiutils-env gsi-utils/ci/spack_gcc.yaml
diff --git a/.github/workflows/intel.yml b/.github/workflows/intel.yml
index c9ef1f2..f67a258 100644
--- a/.github/workflows/intel.yml
+++ b/.github/workflows/intel.yml
@@ -86,7 +86,7 @@ jobs:
         run: |
           sudo mv /usr/local/ /usr_local_mv
           sudo apt-get install cmake
-	  rm -rf spack
+          rm -rf spack
           git clone -c feature.manyFiles=true https://github.com/JCSDA/spack.git
           source spack/share/spack/setup-env.sh
           spack env create gsiutils-env gsi-utils/ci/spack_intel.yaml