diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 47902d8..e54790d 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -50,7 +50,7 @@ jobs:
           ref: 'REL_16_STABLE'
 
       - name: Install perltidy
-        run: cpan SHANCOCK/Perl-Tidy-20230309.tar.gz
+        run: sudo cpan SHANCOCK/Perl-Tidy-20230309.tar.gz
 
       - name: Install pg_bsd_indent
         working-directory: src/tools/pg_bsd_indent