diff --git a/.github/workflows/roa.yml b/.github/workflows/roa.yml
index 93a7e6a..731cc4a 100644
--- a/.github/workflows/roa.yml
+++ b/.github/workflows/roa.yml
@@ -36,6 +36,7 @@ jobs:
         export PATH="$HOME/.pyenv/bin:$PATH"
         eval "$(pyenv init -)"
         eval "$(pyenv virtualenv-init -)"
+        pyenv shell 3.8.2
         maxlen4=29
         maxlen6=64
         mkdir -p roa_dir
diff --git a/.github/workflows/test-your-pr.yml b/.github/workflows/test-your-pr.yml
index f252262..0f1ff26 100644
--- a/.github/workflows/test-your-pr.yml
+++ b/.github/workflows/test-your-pr.yml
@@ -36,6 +36,7 @@ jobs:
         export PATH="$HOME/.pyenv/bin:$PATH"
         eval "$(pyenv init -)"
         eval "$(pyenv virtualenv-init -)"
+        pyenv shell 3.8.2
         maxlen4=29
         maxlen6=64
         mkdir -p roa_dir