diff --git a/Makefile b/Makefile
index 6e69657..93c1ea1 100644
--- a/Makefile
+++ b/Makefile
@@ -24,7 +24,7 @@ ifeq ($(CC),gcc)
   export ASAN_OPTIONS=verify_asan_link_order=0
 endif
 
-.PHONY: all clean builddir codegen build-test run-test build-lib full testing core
+.PHONY: all clean builddir codegen build-test run-test build-lib full prng testing uuid core
 
 all: clean builddir codegen run-test full
 
@@ -50,8 +50,14 @@ build-lib:
 full: LIB_SRC = src/wapp.c
 full: build-lib
 
+prng: LIB_SRC = src/prng/wapp_prng.c
+prng: build-lib
+
 testing: LIB_SRC = src/testing/wapp_testing.c
 testing: build-lib
 
+uuid: LIB_SRC = src/uuid/wapp_uuid.c
+uuid: build-lib
+
 core: LIB_SRC = src/core/wapp_core.c
 core: build-lib