diff --git a/.github/workflows/phono3py-pytest-conda-numpy2.yml b/.github/workflows/phono3py-pytest-conda-numpy2.yml
index 6265efaf..85aee8be 100644
--- a/.github/workflows/phono3py-pytest-conda-numpy2.yml
+++ b/.github/workflows/phono3py-pytest-conda-numpy2.yml
@@ -42,7 +42,7 @@ jobs:
     - name: Install phonopy develop branch
       run: |
         conda activate test
-        git clone --depth 1 https://github.com/phonopy/phonopy.git
+        git clone https://github.com/phonopy/phonopy.git
         cd phonopy
         pip install -e . -vvv
         cd ..
diff --git a/.github/workflows/phono3py-pytest-conda-phphmtblas.yml b/.github/workflows/phono3py-pytest-conda-phphmtblas.yml
index 5c2dc672..5771b33b 100644
--- a/.github/workflows/phono3py-pytest-conda-phphmtblas.yml
+++ b/.github/workflows/phono3py-pytest-conda-phphmtblas.yml
@@ -28,7 +28,7 @@ jobs:
     - name: Install symfc develop branch
       run: |
         conda activate test
-        git clone --depth 1 https://github.com/symfc/symfc.git
+        git clone https://github.com/symfc/symfc.git
         cd symfc
         pip install -e . -vvv
         cd ..