diff --git a/meta/recipes-support/libfaketime/libfaketime/0001-Add-const-qualifiers-to-fix-build-with-ISO-C23.patch b/meta/recipes-support/libfaketime/libfaketime/0001-Add-const-qualifiers-to-fix-build-with-ISO-C23.patch
deleted file mode 100644
index 1696e7146e83..000000000000
--- a/meta/recipes-support/libfaketime/libfaketime/0001-Add-const-qualifiers-to-fix-build-with-ISO-C23.patch
+++ /dev/null
@@ -1,34 +0,0 @@
-From dbe865dfdba0145d993d70b7fd4ec88b2f47554b Mon Sep 17 00:00:00 2001
-From: Tomas Korbar <tkorbar@redhat.com>
-Date: Mon, 15 Dec 2025 11:03:21 +0100
-Subject: [PATCH] Add const qualifiers to fix build with ISO C23
-
-Fix https://github.com/wolfcw/libfaketime/issues/524
-
-Upstream-Status: Backport [https://github.com/wolfcw/libfaketime/pull/525]
----
- src/libfaketime.c | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/src/libfaketime.c b/src/libfaketime.c
-index ef1dca9..02839c8 100644
---- a/src/libfaketime.c
-+++ b/src/libfaketime.c
-@@ -2666,7 +2666,7 @@ int timespec_get(struct timespec *ts, int base)
- static void parse_ft_string(const char *user_faked_time)
- {
-   struct tm user_faked_time_tm;
--  char * tmp_time_fmt;
-+  const char * tmp_time_fmt;
-   char * nstime_str;
-
-   if (!strncmp(user_faked_time, user_faked_time_saved, BUFFERLEN))
-@@ -3338,7 +3338,7 @@ static void prepare_config_contents(char *contents)
- bool str_array_contains(const char *haystack, const char *needle)
- {
-   size_t needle_len = strlen(needle);
--  char *pos = strstr(haystack, needle);
-+  const char *pos = strstr(haystack, needle);
-   while (pos) {
-     if (pos == haystack || *(pos - 1) == ',') {
-       char nextc = *(pos + needle_len);
diff --git a/meta/recipes-support/libfaketime/libfaketime_0.9.12.bb b/meta/recipes-support/libfaketime/libfaketime_0.9.13.bb
similarity index 81%
rename from meta/recipes-support/libfaketime/libfaketime_0.9.12.bb
rename to meta/recipes-support/libfaketime/libfaketime_0.9.13.bb
index 89e4eebeaa46..e10d5aa457b4 100644
--- a/meta/recipes-support/libfaketime/libfaketime_0.9.12.bb
+++ b/meta/recipes-support/libfaketime/libfaketime_0.9.13.bb
@@ -4,11 +4,9 @@ HOMEPAGE = "https://github.com/wolfcw/libfaketime"
 LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
-SRCREV = "3ccdd344aadf1e317156fa5fb7c881f2c4404778"
+SRCREV = "86b37fde2fed7336ea2d0c17928e3015a55d9b4a"
 
-SRC_URI = "git://github.com/wolfcw/libfaketime.git;branch=master;tag=v${PV};protocol=https \
-           file://0001-Add-const-qualifiers-to-fix-build-with-ISO-C23.patch \
-"
+SRC_URI = "git://github.com/wolfcw/libfaketime.git;branch=master;tag=v${PV};protocol=https"
 
 CFLAGS:append:libc-musl = " -D_LARGEFILE64_SOURCE"
 
@@ -29,3 +27,6 @@ FILES:${PN} = "${bindir}/faketime ${libdir}/faketime/lib*${SOLIBS}"
 FILES:${PN}-dev += "${libdir}/faketime/lib*${SOLIBSDEV}"
 
 BBCLASSEXTEND = "native"
+
+# Building with -O2 results in clobbered variable error on 0.9.13
+FULL_OPTIMIZATION = "-O1"