diff --git a/.gitignore b/.gitignore
index 1313743c09..1192254f7f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,5 +26,4 @@ vendor
 /.core-bash_history
 coverage/
 .ruby-gemset
-.ruby-version
 .tool-versions
diff --git a/.rubocop.yml b/.rubocop.yml
index 6da21a454a..c8479fc29a 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -6,7 +6,6 @@ AllCops:
   - "*/bin/**/*"
   - "**/tmp/**/*"
   - "*/spec/fixtures/**/*"
-  TargetRubyVersion: 2.7
   SuggestExtensions: false
 Gemspec/DeprecatedAttributeAssignment:
   Enabled: true
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000000..49cdd668e1
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+2.7.6
diff --git a/Dockerfile.ci b/Dockerfile.ci
index c094ee0e7d..3eb3157734 100644
--- a/Dockerfile.ci
+++ b/Dockerfile.ci
@@ -6,6 +6,7 @@ RUN git config --global user.name dependabot-ci \
 ARG CODE_DIR=/home/dependabot/dependabot-core
 WORKDIR ${CODE_DIR}
 
+COPY --chown=dependabot:dependabot .ruby-version ${CODE_DIR}/.ruby-version
 COPY --chown=dependabot:dependabot .rubocop.yml ${CODE_DIR}/.rubocop.yml
 COPY --chown=dependabot:dependabot omnibus ${CODE_DIR}/omnibus
 COPY --chown=dependabot:dependabot git_submodules ${CODE_DIR}/git_submodules