diff --git a/.gitignore b/.gitignore
index b54616a..ef15c29 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
-/*.o
+/src/*.o
 
 /lisp
diff --git a/Makefile b/Makefile
index 8d4cd72..3c0e9af 100644
--- a/Makefile
+++ b/Makefile
@@ -4,14 +4,14 @@ CC = gcc
 CFLAGS = -Wall -Wextra
 
 OBJS = \
-	builtins.c.o \
-	ctype.c.o    \
-	enums.c.o    \
-	lexer.c.o    \
-	main.c.o     \
-	object.c.o   \
-	parser.c.o   \
-	tokens.c.o
+	src/builtins.c.o \
+	src/ctype.c.o    \
+	src/enums.c.o    \
+	src/lexer.c.o    \
+	src/main.c.o     \
+	src/object.c.o   \
+	src/parser.c.o   \
+	src/tokens.c.o
 
 run: lisp
 	./lisp
diff --git a/builtins.c b/src/builtins.c
similarity index 100%
rename from builtins.c
rename to src/builtins.c
diff --git a/builtins.h b/src/builtins.h
similarity index 100%
rename from builtins.h
rename to src/builtins.h
diff --git a/ctype.c b/src/ctype.c
similarity index 100%
rename from ctype.c
rename to src/ctype.c
diff --git a/ctype.h b/src/ctype.h
similarity index 100%
rename from ctype.h
rename to src/ctype.h
diff --git a/enums.c b/src/enums.c
similarity index 100%
rename from enums.c
rename to src/enums.c
diff --git a/enums.h b/src/enums.h
similarity index 100%
rename from enums.h
rename to src/enums.h
diff --git a/lexer.c b/src/lexer.c
similarity index 100%
rename from lexer.c
rename to src/lexer.c
diff --git a/lexer.h b/src/lexer.h
similarity index 100%
rename from lexer.h
rename to src/lexer.h
diff --git a/main.c b/src/main.c
similarity index 100%
rename from main.c
rename to src/main.c
diff --git a/object.c b/src/object.c
similarity index 100%
rename from object.c
rename to src/object.c
diff --git a/object.h b/src/object.h
similarity index 100%
rename from object.h
rename to src/object.h
diff --git a/parser.c b/src/parser.c
similarity index 100%
rename from parser.c
rename to src/parser.c
diff --git a/parser.h b/src/parser.h
similarity index 100%
rename from parser.h
rename to src/parser.h
diff --git a/tokens.c b/src/tokens.c
similarity index 100%
rename from tokens.c
rename to src/tokens.c
diff --git a/tokens.h b/src/tokens.h
similarity index 100%
rename from tokens.h
rename to src/tokens.h