diff --git a/Dockerfile b/Dockerfile
index 7bcc9eb4..09e5e25b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -413,6 +413,10 @@ ENV PATH="${PATH}:/node_modules/.bin"
 ENV PATH="${PATH}:/usr/lib/go/bin"
 ENV PATH="${PATH}:${DART_SDK}/bin:/root/.pub-cache/bin"
 
+# Renovate optionally requires re2, and will warn if its not present
+# Setting this envoronment variable disables this warning.
+ENV RENOVATE_X_IGNORE_RE2="true"
+
 # File to store linter versions
 ENV VERSION_FILE="/action/linterVersions.txt"
 RUN mkdir /action
diff --git a/test/inspec/super-linter/controls/super_linter.rb b/test/inspec/super-linter/controls/super_linter.rb
index 1cec3c13..25da4ec2 100644
--- a/test/inspec/super-linter/controls/super_linter.rb
+++ b/test/inspec/super-linter/controls/super_linter.rb
@@ -18,6 +18,10 @@ control "super-linter-environment-variables" do
     its("content") { should match(/^(standard|slim)$/) }
   end
 
+  describe os_env("RENOVATE_X_IGNORE_RE2") do
+    its("content") { should eq "true" }
+  end
+
   if (image == "standard")
     describe os_env("POWERSHELL_TELEMETRY_OPTOUT") do
       its("content") { should eq "1" }