diff --git a/tboot-gcc14.patch b/tboot-gcc14.patch
new file mode 100644
index 0000000..9b6ff83
--- /dev/null
+++ b/tboot-gcc14.patch
@@ -0,0 +1,17 @@
+Suppress GCC 14 allocation size warning in lcptools-v2/pconf_legacy.c
+
+Submitted upstream: <https://sourceforge.net/p/tboot/mailman/message/58730242/>
+
+diff --git a/lcptools-v2/pconf_legacy.c b/lcptools-v2/pconf_legacy.c
+index 443b5cd5525b9fe1..5ebc6c451f7008b1 100644
+--- a/lcptools-v2/pconf_legacy.c
++++ b/lcptools-v2/pconf_legacy.c
+@@ -324,7 +324,7 @@ static lcp_policy_element_t *create(void)
+             ERROR("Error: no pcrs were selected.\n");
+             return NULL;
+         }
+-        digest = malloc(SHA1_DIGEST_SIZE);
++        digest = malloc(sizeof(*digest));
+         if (digest == NULL) {
+             ERROR("Error: failed to allocate memory for digest buffer.\n");
+             return NULL;
diff --git a/tboot.spec b/tboot.spec
index 27e8803..5081378 100644
--- a/tboot.spec
+++ b/tboot.spec
@@ -1,12 +1,13 @@
 Summary:       Performs a verified launch using Intel TXT
 Name:          tboot
 Version:       1.11.1
-Release:       5%{?dist}
+Release:       6%{?dist}
 Epoch:         1
 
 License:       BSD-3-Clause
 URL:           http://sourceforge.net/projects/tboot/
 Source0:       http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
+Patch0: tboot-gcc14.patch
 
 BuildRequires: make
 BuildRequires: gcc
@@ -73,6 +74,9 @@ grub2-mkconfig -o /etc/grub2.cfg
 /boot/tboot-syms
 
 %changelog
+* Mon Jan 29 2024 Florian Weimer <fweimer@redhat.com> - 1:1.11.1-6
+- Suppress GCC 14 allocation size warning
+
 * Sat Jan 27 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1:1.11.1-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild