diff --git a/.gitignore b/.gitignore
index c58c673c198adeb693ef5c5c76c5683fcb1b8fe2..b33fbbf932379988c37b1378082600237a9f2745 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,6 +21,9 @@
 #OS X specific files.
 .DS_store
 
+# Ignore the user specified CMake presets in subproject directories.
+/*/CMakeUserPresets.json
+
 # Nested build directory
 /build*