diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/cyrus-sasl/cyrus-sasl-2.1.28-r4.ebuild b/sdk_container/src/third_party/portage-stable/dev-libs/cyrus-sasl/cyrus-sasl-2.1.28-r4.ebuild
index 395775bc63..974da3e78d 100644
--- a/sdk_container/src/third_party/portage-stable/dev-libs/cyrus-sasl/cyrus-sasl-2.1.28-r4.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/cyrus-sasl/cyrus-sasl-2.1.28-r4.ebuild
@@ -60,6 +60,9 @@ src_prepare() {
 src_configure() {
 	export CC_FOR_BUILD="$(tc-getBUILD_CC)"
 
+	# Fails with C23 because of decls
+	append-flags -std=gnu17
+
 	# -Werror=lto-type-mismatch
 	# https://bugs.gentoo.org/894684
 	# https://github.com/cyrusimap/cyrus-sasl/pull/771
diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/cyrus-sasl/cyrus-sasl-2.1.28-r5.ebuild b/sdk_container/src/third_party/portage-stable/dev-libs/cyrus-sasl/cyrus-sasl-2.1.28-r5.ebuild
index 358927ac57..865f1a93f4 100644
--- a/sdk_container/src/third_party/portage-stable/dev-libs/cyrus-sasl/cyrus-sasl-2.1.28-r5.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/cyrus-sasl/cyrus-sasl-2.1.28-r5.ebuild
@@ -63,6 +63,9 @@ src_prepare() {
 src_configure() {
 	export CC_FOR_BUILD="$(tc-getBUILD_CC)"
 
+	# Fails with C23 because of decls
+	append-flags -std=gnu17
+
 	# -Werror=lto-type-mismatch
 	# https://bugs.gentoo.org/894684
 	# https://github.com/cyrusimap/cyrus-sasl/pull/771