diff --git a/CMakeLists.txt b/CMakeLists.txt
index 80909b83c0..212e55cdae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -161,7 +161,8 @@ target_link_libraries(xtensor INTERFACE xtl)
 add_subdirectory(vendor/gsl-lite)
 
 # Make sure contract violations throw exceptions
-target_compile_definitions(gsl-lite INTERFACE GSL_THROW_ON_CONTRACT_VIOLATION)
+target_compile_definitions(gsl-lite-v1 INTERFACE GSL_THROW_ON_CONTRACT_VIOLATION)
+target_compile_definitions(gsl-lite-v1 INTERFACE gsl_CONFIG_ALLOWS_NONSTRICT_SPAN_COMPARISON=1)
 
 #===============================================================================
 # RPATH information
@@ -345,7 +346,7 @@ endif()
 # target_link_libraries treats any arguments starting with - but not -l as
 # linker flags. Thus, we can pass both linker flags and libraries together.
 target_link_libraries(libopenmc ${ldflags} ${HDF5_LIBRARIES} ${HDF5_HL_LIBRARIES}
-                      pugixml faddeeva xtensor gsl-lite)
+                      pugixml faddeeva xtensor gsl-lite-v1)
 
 if(dagmc)
   target_compile_definitions(libopenmc PRIVATE DAGMC)
diff --git a/vendor/gsl-lite b/vendor/gsl-lite
index 93607223a4..a5706326ed 160000
--- a/vendor/gsl-lite
+++ b/vendor/gsl-lite
@@ -1 +1 @@
-Subproject commit 93607223a48621dae3cedd6b3335431b38067fae
+Subproject commit a5706326ed116c315c0e12b72ed39439aff2222f