diff --git a/CMakeLists.txt b/CMakeLists.txt
index a3d3eed..1b746de 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,7 +46,7 @@ if(NOT glaze_FOUND)
   FetchContent_Declare(
     glaze
     GIT_REPOSITORY https://github.com/stephenberry/glaze.git
-    GIT_TAG main
+    GIT_TAG v4.0.1
     GIT_SHALLOW TRUE
   )
   FetchContent_MakeAvailable(glaze)