diff --git a/src/.gitignore b/src/.gitignore
index 1c7f468e6e4888178b0c4abf8f1311506dff77d2..e700ab15b34fdf56b882b3de262d0cf346361319 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -653,6 +653,8 @@
 /pair_hbond_dreiding_lj.h
 /pair_hbond_dreiding_morse.cpp
 /pair_hbond_dreiding_morse.h
+/pair_kolmogorov_crespi_z.cpp
+/pair_kolmogorov_crespi_z.h
 /pair_lcbop.cpp
 /pair_lcbop.h
 /pair_line_lj.cpp