diff --git a/3rdparty/GSL_LITE b/3rdparty/GSL_LITE
index d6c8af99..56dab5ce 160000
--- a/3rdparty/GSL_LITE
+++ b/3rdparty/GSL_LITE
@@ -1 +1 @@
-Subproject commit d6c8af99a1d95b3db36f26b4f22dc3bad89952de
+Subproject commit 56dab5ce071c4ca17d3e0dbbda9a94bd5a1cbca1
diff --git a/include/morphio/vector_types.h b/include/morphio/vector_types.h
index 171bee9e..93cdfa08 100644
--- a/include/morphio/vector_types.h
+++ b/include/morphio/vector_types.h
@@ -1,15 +1,26 @@
 #pragma once
 
+#if !gsl_CONFIG_ALLOWS_SPAN_COMPARISON
+#include <algorithm>
+#endif
 #include <array>
 #include <cmath>  // M_PI
 #include <vector>
 
-#include <gsl/gsl-lite.hpp>
+#include <gsl-lite/gsl-lite.hpp>
 
 namespace morphio {
 
 template <typename T>
-using range = gsl::span<T>;
+using range = gsl_lite::span<T>;
+
+#if !gsl_CONFIG_ALLOWS_SPAN_COMPARISON
+template <typename T>
+inline bool operator==(morphio::range<T> l, morphio::range<T> r) {
+    return l.size() == r.size() &&
+           (l.data() == r.data() || std::equal(l.begin(), l.end(), r.begin()));
+}
+#endif
 
 #ifdef MORPHIO_USE_DOUBLE
 using floatType = double;
diff --git a/tests/test_utilities.cpp b/tests/test_utilities.cpp
index cca04f7e..32d1a3af 100644
--- a/tests/test_utilities.cpp
+++ b/tests/test_utilities.cpp
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 #include <catch2/catch.hpp>
-#include <gsl/gsl-lite.hpp>
+#include <gsl-lite/gsl-lite.hpp>
 #include <morphio/version.h>
 
 #include <filesystem>