diff --git a/spec/conformance/Gemfile.lock b/spec/conformance/Gemfile.lock
index a32d38f3..c270e34b 100644
--- a/spec/conformance/Gemfile.lock
+++ b/spec/conformance/Gemfile.lock
@@ -78,4 +78,4 @@ RUBY VERSION
    ruby 3.3.5p100
 
 BUNDLED WITH
-   2.3.26
+   2.5.23