diff --git a/cosmopolitan/Makefile b/cosmopolitan/Makefile
index a9dfc20..70299cb 100644
--- a/cosmopolitan/Makefile
+++ b/cosmopolitan/Makefile
@@ -6,11 +6,13 @@ OUTDIR = out
 SOURCES = \
 		../src/main.c \
 		../src/parser.c \
+		../src/algorithms/linear_congruential_gen.c \
 		../src/data_structures/linked_list.c \
 		../src/data_structures/hash_map.c
 
 HEADERS = \
 		../src/parser.h \
+		../src/algorithms/linear_congruential_gen.h \
 		../src/data_structures/linked_list.h \
 		../src/data_structures/hash_map.h