diff --git a/sdk_container/src/third_party/coreos-overlay/app-crypt/sbsigntools/files/openssl-3-compat.patch b/sdk_container/src/third_party/coreos-overlay/app-crypt/sbsigntools/files/openssl-3-compat.patch
new file mode 100644
index 0000000000..2304bd432a
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/app-crypt/sbsigntools/files/openssl-3-compat.patch
@@ -0,0 +1,15 @@
+diff --git a/src/idc.c b/src/idc.c
+index 6d87bd4..0a82218 100644
+--- a/src/idc.c
++++ b/src/idc.c
+@@ -189,7 +189,7 @@ int IDC_set(PKCS7 *p7, PKCS7_SIGNER_INFO *si, struct image *image)
+ 
+ 	idc->data->type = OBJ_nid2obj(peid_nid);
+ 	idc->data->value = ASN1_TYPE_new();
+-	type_set_sequence(image, idc->data->value, peid, &IDC_PEID_it);
++	type_set_sequence(image, idc->data->value, peid, ASN1_ITEM_rptr(IDC_PEID));
+ 
+         idc->digest->alg->parameter = ASN1_TYPE_new();
+         idc->digest->alg->algorithm = OBJ_nid2obj(NID_sha256);
+-- 
+2.25.1
diff --git a/sdk_container/src/third_party/coreos-overlay/app-crypt/sbsigntools/sbsigntools-0.9.1-r1.ebuild b/sdk_container/src/third_party/coreos-overlay/app-crypt/sbsigntools/sbsigntools-0.9.1-r1.ebuild
index dfa056c857..2038568d48 100644
--- a/sdk_container/src/third_party/coreos-overlay/app-crypt/sbsigntools/sbsigntools-0.9.1-r1.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/app-crypt/sbsigntools/sbsigntools-0.9.1-r1.ebuild
@@ -28,6 +28,7 @@ DEPEND="${RDEPEND}
 
 PATCHES=(
 	"${FILESDIR}"/${P}-openssl-1.1.0-compat.patch
+	"${FILESDIR}"/openssl-3-compat.patch
 )
 
 src_prepare() {