diff --git a/.github/workflows/ci_test.yml b/.github/workflows/ci_test.yml
index 46c8042..67d0ead 100644
--- a/.github/workflows/ci_test.yml
+++ b/.github/workflows/ci_test.yml
@@ -12,7 +12,7 @@
     strategy:
       matrix:
         os: ['ubuntu-latest', 'macos-latest']
-        perl: [ '5.34', '5.32', '5.20' ]
+        perl: [ '5.38', '5.36' ]
     name: Perl ${{ matrix.perl }} on ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
diff --git a/Makefile.PL b/Makefile.PL
index 0d0d02d..7558cad 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -1,5 +1,5 @@
 #!/usr/bin/env perl
-use v5.16;
+use v5.36;
 use strict;
 use warnings;
 use ExtUtils::MakeMaker;
@@ -25,6 +25,6 @@
         'Log::Any'          => '1.708',
         'IO::Compress::Zip' => '2.091'
     },
-    MIN_PERL_VERSION => '5.016',
+    MIN_PERL_VERSION => '5.036',
     EXE_FILES        => [ './script/korapxml2conllu', './script/conllu2korapxml' ]
 );