diff --git a/CMakeLists.txt b/CMakeLists.txt
index 532af9ac..da55e92a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -157,6 +157,7 @@ endif()
 FetchContent_Declare(
     fmt
     URL "https://github.com/fmtlib/fmt/archive/refs/tags/11.0.2.tar.gz"
+    URL_HASH "SHA256=6cb1e6d37bdcb756dbbe59be438790db409cdb4868c66e888d5df9f13f7c027f"
     FIND_PACKAGE_ARGS)
 
 set(SPDLOG_FMT_EXTERNAL ON)