diff --git a/source/regex.c b/source/jeger.c
similarity index 99%
rename from source/regex.c
rename to source/jeger.c
index 63686ce..407abf2 100644
--- a/source/regex.c
+++ b/source/jeger.c
@@ -1,6 +1,6 @@
 #pragma GCC diagnostic ignored "-Wc++20-extensions"
 
-#include "regex.h"
+#include "jeger.h"
 
 #include <assert.h>
 #include <string.h>
diff --git a/source/regex.h b/source/jeger.h
similarity index 95%
rename from source/regex.h
rename to source/jeger.h
index 2b049b1..5c6d622 100644
--- a/source/regex.h
+++ b/source/jeger.h
@@ -1,5 +1,5 @@
-#ifndef REGEX_H
-#define REGEX_H
+#ifndef JEGER_H
+#define JEGER_H
 
 #include <stdbool.h>