diff --git a/CMakeLists.txt b/CMakeLists.txt
index c5d6f3f..a3ba161 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,16 +29,7 @@ endif()
 option(KLEIN_BUILD_SYM "Enable compilation of symbolic Klein utility" ON)
 option(KLEIN_BUILD_C_BINDINGS "Enable compilation of the Klein C bindings" ON)
 
-include(FetchContent)
-FetchContent_Declare(
-    simde
-    GIT_REPOSITORY https://github.com/simd-everywhere/simde
-    GIT_TAG v0.7.2
-    GIT_SHALLOW ON
-)
-FetchContent_GetProperties(simde)
-if(NOT simde_POPULATED)
-    FetchContent_Populate(simde)
-endif()
+find_path(SIMDE_INCLUDE_DIR "simde/x86/sse4.1.h" REQUIRED)
+set(simde_SOURCE_DIR ${SIMDE_INCLUDE_DIR}/simde)
 
 # The default platform and instruction set is x86 SSE3