diff --git a/src/jsonschema/walker.cc b/src/jsonschema/walker.cc
index 1119bc19f..23856cfde 100644
--- a/src/jsonschema/walker.cc
+++ b/src/jsonschema/walker.cc
@@ -2,9 +2,10 @@
 #include <sourcemeta/jsontoolkit/jsonschema.h>
 #include <sourcemeta/jsontoolkit/jsonschema_walker.h>
 
-#include <algorithm> // std::max, std::sort
+#include <algorithm> // std::max
 #include <cassert>   // assert
 #include <numeric>   // std::accumulate
+#include <ranges>    // std::ranges::sort
 
 auto sourcemeta::jsontoolkit::keyword_priority(
     std::string_view keyword, const std::map<std::string, bool> &vocabularies,
@@ -207,8 +208,8 @@ sourcemeta::jsontoolkit::SchemaKeywordIterator::SchemaKeywordIterator(
   }
 
   // Sort keywords based on priority for correct evaluation
-  std::sort(
-      this->entries.begin(), this->entries.end(),
+  std::ranges::sort(
+      this->entries,
       [&vocabularies, &walker](const auto &left, const auto &right) -> bool {
         // These cannot be empty or indexes, as we created
         // the entries array from a JSON object