diff --git a/bundler/script/ci-test b/bundler/script/ci-test
index 18c42a73763..24d5969c3b0 100755
--- a/bundler/script/ci-test
+++ b/bundler/script/ci-test
@@ -4,18 +4,18 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
 
 if [[ "$SUITE_NAME" == "bundler1" ]]; then
   cd helpers/v1 \
     && BUNDLER_VERSION=1.17.3 bundle install \
-    && BUNDLER_VERSION=1.17.3 bundle exec rspec spec\
+    && BUNDLER_VERSION=1.17.3 bundle exec parallel_rspec spec\
     && cd -
 fi
 
 if [[ "$SUITE_NAME" == "bundler2" ]]; then
   cd helpers/v2 \
     && BUNDLER_VERSION=2.2.33 bundle install \
-    && BUNDLER_VERSION=2.2.33 bundle exec rspec spec \
+    && BUNDLER_VERSION=2.2.33 bundle exec parallel_rspec spec \
     && cd -
 fi
diff --git a/cargo/script/ci-test b/cargo/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/cargo/script/ci-test
+++ b/cargo/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/common/dependabot-common.gemspec b/common/dependabot-common.gemspec
index 361d1250663..e57f0c93e1d 100644
--- a/common/dependabot-common.gemspec
+++ b/common/dependabot-common.gemspec
@@ -37,6 +37,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "debug", ">= 1.0.0"
   spec.add_development_dependency "gpgme", "~> 2.0"
+  spec.add_development_dependency "parallel_tests", "~> 3.7.3"
   spec.add_development_dependency "rake", "~> 13"
   spec.add_development_dependency "rspec", "~> 3.8"
   spec.add_development_dependency "rspec-its", "~> 1.2"
diff --git a/common/script/ci-test b/common/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/common/script/ci-test
+++ b/common/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/composer/script/ci-test b/composer/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/composer/script/ci-test
+++ b/composer/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/docker/script/ci-test b/docker/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/docker/script/ci-test
+++ b/docker/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/elm/script/ci-test b/elm/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/elm/script/ci-test
+++ b/elm/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/git_submodules/script/ci-test b/git_submodules/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/git_submodules/script/ci-test
+++ b/git_submodules/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/github_actions/script/ci-test b/github_actions/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/github_actions/script/ci-test
+++ b/github_actions/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/go_modules/script/ci-test b/go_modules/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/go_modules/script/ci-test
+++ b/go_modules/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/gradle/script/ci-test b/gradle/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/gradle/script/ci-test
+++ b/gradle/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/hex/script/ci-test b/hex/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/hex/script/ci-test
+++ b/hex/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/maven/script/ci-test b/maven/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/maven/script/ci-test
+++ b/maven/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/npm_and_yarn/script/ci-test b/npm_and_yarn/script/ci-test
index 95a7b32d195..fbadfd82b02 100755
--- a/npm_and_yarn/script/ci-test
+++ b/npm_and_yarn/script/ci-test
@@ -4,7 +4,7 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
 
 cd /opt/npm_and_yarn && npm run lint && cd -
 cd /opt/npm_and_yarn && npm test && cd -
diff --git a/nuget/script/ci-test b/nuget/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/nuget/script/ci-test
+++ b/nuget/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/python/script/ci-test b/python/script/ci-test
index e3aed6004b8..d1f80944f37 100755
--- a/python/script/ci-test
+++ b/python/script/ci-test
@@ -5,4 +5,4 @@ set -e
 bundle install
 pyenv exec flake8 helpers/. --count --exclude=./.*,./python/spec/fixtures --show-source --statistics
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec
diff --git a/terraform/script/ci-test b/terraform/script/ci-test
index c29bd83bf2e..e0a7190d3ff 100755
--- a/terraform/script/ci-test
+++ b/terraform/script/ci-test
@@ -4,4 +4,4 @@ set -e
 
 bundle install
 bundle exec rubocop .
-bundle exec rspec spec
+bundle exec parallel_rspec spec