1 files changed, 1 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 5887fbe..e75fe54 100644
--- a/Makefile
+++ b/Makefile
@@ -131,6 +131,7 @@ make_objs_cc = $$(patsubst upb/$$(pc).cc,obj/upb/$$(pc).$(1),$$($$(call to_srcs,
 
 upb_SRCS = \
   upb/def.c \
+  upb/env.c \
   upb/handlers.c \
   upb/refcounted.c \
   upb/shim/shim.c \