diff --git a/Makefile b/Makefile
index 2123b5d..35c2d84 100644
--- a/Makefile
+++ b/Makefile
@@ -1224,6 +1224,7 @@
     src/core/security/auth.c \
     src/core/security/base64.c \
     src/core/security/credentials.c \
+    src/core/security/factories.c \
     src/core/security/google_root_certs.c \
     src/core/security/json_token.c \
     src/core/security/secure_endpoint.c \