Building bash 5.3, rc2, warning about mktemp()

[Stan Marsh]

See below.  As far as I can tell, it built OK.
Should I be concerned about the warning?

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rm -f bash
gcc -std=gnu11 -L./builtins -L./lib/readline -L./lib/readline -L./lib/glob 
-L./lib/tilde -L./lib/malloc -L./lib/sh  -rdynamic -g -O2   -o bash shell.o 
eval.o y.tab.o general.o make_cmd.o print_cmd.o dispose_cmd.o execute_cmd.o 
variables.o copy_cmd.o error.o expr.o flags.o jobs.o subst.o hashcmd.o 
hashlib.o mailcheck.o trap.o input.o unwind_prot.o pathexp.o sig.o test.o 
version.o alias.o array.o arrayfunc.o assoc.o braces.o bracecomp.o bashhist.o 
bashline.o  list.o stringlib.o locale.o findcmd.o redir.o pcomplete.o 
pcomplib.o syntax.o xmalloc.o  -lbuiltins -lglob -lsh -lreadline -lhistory 
-lncurses -ltilde -lmalloc    -ldl
./lib/sh/libsh.a(tmpfile.o): In function `sh_mktmpname':
/home/username/Build/bash-5.3-rc2/lib/sh/tmpfile.c:173: warning: the use of 
`mktemp' is dangerous, better use `mkstemp' or `mkdtemp'
ls -l bash
-rwxr-xr-x 1 username username 3974244 Jun 10 03:53 bash
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