diff --git a/CMakeLists.txt b/CMakeLists.txt
index b17c512..ef7a27f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,9 +21,7 @@ macro(build_osqp)
 
   include(ExternalProject)
   externalproject_add(osqp-${git_tag}
-    GIT_REPOSITORY https://github.com/osqp/osqp.git
-    GIT_TAG ${git_tag}
-    GIT_SHALLOW ON
+    URL ${CMAKE_SOURCE_DIR}/osqp-${git_tag}.tar.gz
     TIMEOUT 60
     # Suppress git update due to https://gitlab.kitware.com/cmake/cmake/-/issues/16419
     UPDATE_COMMAND ""