diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index d89e6d7..041fb64 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: install deps
-        run: sudo apt install cmake
+        run: apt install cmake
 
       - name: build
         run: |
diff --git a/include/curtle/curtle.h b/include/curtle/curtle.h
index e69de29..ec19e52 100644
--- a/include/curtle/curtle.h
+++ b/include/curtle/curtle.h
@@ -0,0 +1,6 @@
+#ifndef CURTLE_H
+#define CURTLE_H
+
+#include "curtle/linear_algebra.h"
+
+#endif
\ No newline at end of file