diff --git a/tools/cli/go.mod b/tools/cli/go.mod
index a8b343c9c0..36004f80ab 100644
--- a/tools/cli/go.mod
+++ b/tools/cli/go.mod
@@ -7,7 +7,7 @@ toolchain go1.26.0
 require (
 	github.com/getkin/kin-openapi v0.140.0
 	github.com/iancoleman/strcase v0.3.0 // indirect
-	github.com/oasdiff/oasdiff v1.19.1
+	github.com/oasdiff/oasdiff v1.20.0
 	github.com/spf13/afero v1.15.0
 	github.com/spf13/cobra v1.10.2
 	github.com/stretchr/testify v1.11.1
diff --git a/tools/cli/go.sum b/tools/cli/go.sum
index 7e3f6d06fb..b921f815da 100644
--- a/tools/cli/go.sum
+++ b/tools/cli/go.sum
@@ -25,8 +25,8 @@ github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/oasdiff/oasdiff v1.19.1 h1:JzeFKqUZYIAydr43E8C7Y5CoVQtMEwOUu0cu5uEiBjI=
-github.com/oasdiff/oasdiff v1.19.1/go.mod h1:eColoNHeEiWTsztKtZ+39xTEz+sHl/OSW4EbjYP8A1Y=
+github.com/oasdiff/oasdiff v1.20.0 h1:IzA4WT+efbXbtvzP6mnOoZOyAZVf295jIQUi66J61LM=
+github.com/oasdiff/oasdiff v1.20.0/go.mod h1:eColoNHeEiWTsztKtZ+39xTEz+sHl/OSW4EbjYP8A1Y=
 github.com/oasdiff/yaml v0.1.0 h1:0bqZjfKc/8S9urj4JuwepX41WX9EoA6ifhU3SV06cXg=
 github.com/oasdiff/yaml v0.1.0/go.mod h1:kOlRmMdL2X3vucLCEQO5u61SU22RysnfXvcttrZA1O0=
 github.com/oasdiff/yaml3 v0.0.13 h1:06svmvOHOVBqF81+sY2EUScvUI/iS/vl2VIeUUxZQwg=