diff --git a/ext/json/ext/generator/depend b/ext/json/ext/generator/depend
index 14241d7f..365c75af 100644
--- a/ext/json/ext/generator/depend
+++ b/ext/json/ext/generator/depend
@@ -1,4 +1,7 @@
-generator.o: generator.c $(srcdir)/../fbuffer/fbuffer.h
-generator.o: generator.c $(srcdir)/../vendor/fpconv.c
-generator.o: generator.c $(srcdir)/../vendor/jeaiii-ltoa.h
-generator.o: generator.c $(srcdir)/../simd/simd.h
+# AUTOGENERATED DEPENDENCIES START
+generator.o: $(srcdir)/../fbuffer/fbuffer.h
+generator.o: $(srcdir)/../simd/simd.h
+generator.o: $(srcdir)/../vendor/fpconv.c
+generator.o: $(srcdir)/../vendor/jeaiii-ltoa.h
+generator.o: generator.c
+# AUTOGENERATED DEPENDENCIES END
diff --git a/ext/json/ext/parser/depend b/ext/json/ext/parser/depend
index a1926b7d..bb73bfa1 100644
--- a/ext/json/ext/parser/depend
+++ b/ext/json/ext/parser/depend
@@ -1,2 +1,6 @@
-parser.o: parser.c $(srcdir)/../fbuffer/fbuffer.h
-parser.o: parser.c $(srcdir)/../simd/simd.h
+# AUTOGENERATED DEPENDENCIES START
+parser.o: $(srcdir)/../fbuffer/fbuffer.h
+parser.o: $(srcdir)/../simd/simd.h
+parser.o: $(srcdir)/../vendor/ryu.h
+parser.o: parser.c
+# AUTOGENERATED DEPENDENCIES END