diff --git a/.github/workflows/rails-tests.yml b/.github/workflows/rails-tests.yml
index f15f45579..f3d8f1b35 100644
--- a/.github/workflows/rails-tests.yml
+++ b/.github/workflows/rails-tests.yml
@@ -43,9 +43,9 @@ jobs:
     # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,
     # change this to (see https://github.com/ruby/setup-ruby#versioning):
     # uses: ruby/setup-ruby@v1
-      uses: ruby/setup-ruby@v1.115.3
+      uses: ruby/setup-ruby@v1.117.0
       with:
-        ruby-version: jruby-9.3.7.0
+        ruby-version: jruby-9.3.8.0
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
     - name: Configure externals
       run: bundle exec cap local externals:setup
diff --git a/.ruby-version b/.ruby-version
index 6ca1621d3..4b56eecba 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-jruby-9.3.7.0
+jruby-9.3.8.0
diff --git a/Dockerfile b/Dockerfile
index 1b69e3d34..b5a9802a1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,7 +23,7 @@ RUN git clone https://github.com/rbenv/rbenv.git .rbenv
 ENV PATH /root/.rbenv/bin:/root/.rbenv/shims:$PATH
 RUN echo 'eval "$(rbenv init -)"' > /etc/profile.d/rbenv.sh
 RUN chmod +x /etc/profile.d/rbenv.sh
-RUN git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build && cd "$(rbenv root)"/plugins/ruby-build && git checkout v20220825
+RUN git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build && cd "$(rbenv root)"/plugins/ruby-build && git checkout v20220910.1
 RUN git clone https://github.com/rbenv/rbenv-vars.git $(rbenv root)/plugins/rbenv-vars
 
 # Copy in secret files
diff --git a/Gemfile b/Gemfile
index 50c97edba..5ea59629c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 # Edit this Gemfile to bundle your application's dependencies.
 # This preamble is the current preamble for Rails 3 apps; edit as needed.
 source 'https://rubygems.org'
-ruby '2.6.8', engine: 'jruby', engine_version: '9.3.7.0'
+ruby '2.6.8', engine: 'jruby', engine_version: '9.3.8.0'
 
 gem 'rails', '~> 6.1.5'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index f7d1ada07..79bd9b212 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -165,7 +165,7 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    jruby-jars (9.3.7.0)
+    jruby-jars (9.3.8.0)
     json (2.6.2)
     json (2.6.2-java)
     jwt (2.5.0)
@@ -407,7 +407,7 @@ DEPENDENCIES
   jdbc-mysql
   jdbc-sqlite3 (>= 3.7.2)
   jquery-rails
-  jruby-jars (= 9.3.7.0)
+  jruby-jars (= 9.3.8.0)
   json (>= 1.6.6)
   mocha
   omniauth-google-oauth2
@@ -441,7 +441,7 @@ DEPENDENCIES
   zip-zip
 
 RUBY VERSION
-   ruby 2.6.8p0 (jruby 9.3.7.0)
+   ruby 2.6.8p0 (jruby 9.3.8.0)
 
 BUNDLED WITH
    2.2.32
diff --git a/vendor/cache/jruby-jars-9.3.7.0.gem b/vendor/cache/jruby-jars-9.3.8.0.gem
similarity index 77%
rename from vendor/cache/jruby-jars-9.3.7.0.gem
rename to vendor/cache/jruby-jars-9.3.8.0.gem
index 9e39ad2f0..bf4a5bc09 100644
Binary files a/vendor/cache/jruby-jars-9.3.7.0.gem and b/vendor/cache/jruby-jars-9.3.8.0.gem differ