diff --git a/.github/workflows/compilers.yml b/.github/workflows/compilers.yml
index 717685ee1756c7..a9856dc205fb74 100644
--- a/.github/workflows/compilers.yml
+++ b/.github/workflows/compilers.yml
@@ -66,9 +66,9 @@ jobs:
           - { key: default_cc, name: gcc-9,     value: gcc-9,     container: gcc-9 }
           - { key: default_cc, name: gcc-8,     value: gcc-8,     container: gcc-8 }
           - { key: default_cc, name: gcc-7,     value: gcc-7,     container: gcc-7 }
-          - { key: default_cc, name: gcc-6,     value: gcc-6,     container: gcc-6 }
-          - { key: default_cc, name: gcc-5,     value: gcc-5,     container: gcc-5 }
-          - { key: default_cc, name: gcc-4.8,   value: gcc-4.8,   container: gcc-4.8 }
+#         - { key: default_cc, name: gcc-6,     value: gcc-6,     container: gcc-6 }
+#         - { key: default_cc, name: gcc-5,     value: gcc-5,     container: gcc-5 }
+#         - { key: default_cc, name: gcc-4.8,   value: gcc-4.8,   container: gcc-4.8 }
           - key: default_cc
             name: 'gcc-11 LTO'
             value: 'gcc-11 -O2 -flto=auto -ffat-lto-objects'
@@ -84,9 +84,9 @@ jobs:
           - { key: default_cc, name: clang-8,   value: clang-8,   container: clang-8 }
           - { key: default_cc, name: clang-7,   value: clang-7,   container: clang-7 }
           - { key: default_cc, name: clang-6.0, value: clang-6.0, container: clang-6.0 }
-          - { key: default_cc, name: clang-5.0, value: clang-5.0, container: clang-5.0 }
-          - { key: default_cc, name: clang-4.0, value: clang-4.0, container: clang-4.0 }
-          - { key: default_cc, name: clang-3.9, value: clang-3.9, container: clang-3.9 }
+#         - { key: default_cc, name: clang-5.0, value: clang-5.0, container: clang-5.0 }
+#         - { key: default_cc, name: clang-4.0, value: clang-4.0, container: clang-4.0 }
+#         - { key: default_cc, name: clang-3.9, value: clang-3.9, container: clang-3.9 }
           - key: default_cc
             name: 'clang-14 LTO'
             value: 'clang-14 -O2 -flto=auto'
diff --git a/gems/bundled_gems b/gems/bundled_gems
index d36b18e31c2068..c012699de2c778 100644
--- a/gems/bundled_gems
+++ b/gems/bundled_gems
@@ -3,7 +3,7 @@ minitest 5.15.0 https://github.com/seattlerb/minitest
 power_assert 2.0.1 https://github.com/ruby/power_assert
 rake 13.0.6 https://github.com/ruby/rake
 test-unit 3.5.3 https://github.com/test-unit/test-unit
-rexml 3.2.9 https://github.com/ruby/rexml
+rexml 3.3.2 https://github.com/ruby/rexml
 rss 0.2.9 https://github.com/ruby/rss
 net-ftp 0.1.4 https://github.com/ruby/net-ftp
 net-imap 0.2.4 https://github.com/ruby/net-imap