diff --git a/ci.jsonnet b/ci.jsonnet
index c7c134a1c049..cde35bf84b0f 100644
--- a/ci.jsonnet
+++ b/ci.jsonnet
@@ -313,6 +313,7 @@ local part_definitions = {
         "RUBY_SPEC_TEST_ZLIB_CRC_TABLE": "false", # CRuby was built on OL6 and is used on OL7
       },
       run+: jt(["-u", "ruby", "mspec", "spec/ruby"]) +
+            jt(["-u", "/cm/shared/apps-ol7/ruby/3.1.2/bin/ruby", "mspec", "spec/ruby"]) +
             jt(["-u", "/cm/shared/apps/ruby/3.0.2/bin/ruby", "mspec", "spec/ruby"]),
     },
 
diff --git a/ci/common.jsonnet b/ci/common.jsonnet
index d804edc5c254..a5bdf79c1acf 100644
--- a/ci/common.jsonnet
+++ b/ci/common.jsonnet
@@ -213,7 +213,7 @@ local common_json = import "../common.json";
 
     truffleruby:: {
       packages+: (if self.os == "linux" && self.arch == "amd64" then {
-        ruby: "==3.1.2", # Newer version, also used for benchmarking
+        ruby: "==3.2.2", # Newer version, also used for benchmarking
       } else {
         ruby: "==3.0.2",
       }) + (if self.os == "linux" then {
diff --git a/lib/mri/bundler.rb b/lib/mri/bundler.rb
index 88f25b523a41..b970c6ced8c9 100644
--- a/lib/mri/bundler.rb
+++ b/lib/mri/bundler.rb
@@ -39,7 +39,8 @@ module Bundler
   environment_preserver.replace_with_backup
   SUDO_MUTEX = Thread::Mutex.new
 
-  SAFE_MARSHAL_CLASSES = [Symbol, TrueClass, String, Array, Hash, Gem::Version, Gem::Specification].freeze
+  # TruffleRuby: FalseClass added because it is necessary for `jt test bundle`, and also done upstream since https://github.com/rubygems/rubygems/pull/6655
+  SAFE_MARSHAL_CLASSES = [Symbol, TrueClass, FalseClass, String, Array, Hash, Gem::Version, Gem::Specification].freeze
   SAFE_MARSHAL_ERROR = "Unexpected class %s present in marshaled data. Only %s are allowed."
   SAFE_MARSHAL_PROC = proc do |object|
     object.tap do
diff --git a/mx.truffleruby/suite.py b/mx.truffleruby/suite.py
index 115f14e52772..a0944d077b2f 100644
--- a/mx.truffleruby/suite.py
+++ b/mx.truffleruby/suite.py
@@ -20,7 +20,7 @@
             {
                 "name": "regex",
                 "subdir": True,
-                "version": "20b34173b7e15c334d79f0a22ee01889d235748b",
+                "version": "f363b55797fe85ea6aa24218364b57f3c71aeb56",
                 "urls": [
                     {"url": "https://github.com/oracle/graal.git", "kind": "git"},
                     {"url": "https://curio.ssw.jku.at/nexus/content/repositories/snapshots", "kind": "binary"},
@@ -29,7 +29,7 @@
             {
                 "name": "sulong",
                 "subdir": True,
-                "version": "20b34173b7e15c334d79f0a22ee01889d235748b",
+                "version": "f363b55797fe85ea6aa24218364b57f3c71aeb56",
                 "urls": [
                     {"url": "https://github.com/oracle/graal.git", "kind": "git"},
                     {"url": "https://curio.ssw.jku.at/nexus/content/repositories/snapshots", "kind": "binary"},