diff --git a/.gitignore b/.gitignore
index 902c0e728f6d38528324734343fbf64234d63d4d..ba5f565956291c8ff28b2f32e7c2b812595f837d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,6 +56,9 @@ classic/5.0/src/config.h
 src/AbstractObjects/CMakeFiles
 src/AbstractObjects/Makefile
 src/AbstractObjects/cmake_install.cmake
+src/Algorithms/CMakeFiles
+src/Algorithms/Makefile
+src/Algorithms/cmake_install.cmake
 src/Lines/CMakeFiles
 src/Lines/Makefile
 src/Lines/cmake_install.cmake