diff --git a/meta/classes-recipe/create-spdx-image-3.0.bbclass b/meta/classes-recipe/create-spdx-image-3.0.bbclass
index 5144616285..e0f1766bb7 100644
--- a/meta/classes-recipe/create-spdx-image-3.0.bbclass
+++ b/meta/classes-recipe/create-spdx-image-3.0.bbclass
@@ -55,6 +55,9 @@ do_create_image_spdx[sstate-outputdirs] = "${DEPLOY_DIR_SPDX}"
 do_create_image_spdx[cleandirs] = "${SPDXIMAGEWORK}"
 do_create_image_spdx[dirs] = "${SPDXIMAGEWORK}"
 do_create_image_spdx[file-checksums] += "${SPDX3_LIB_DEP_FILES}"
+do_create_image_spdx[vardeps] += "\
+    SPDX_IMAGE_PURPOSE \
+    "
 
 python do_create_image_spdx_setscene() {
     sstate_setscene(d)
diff --git a/meta/classes/create-spdx-3.0.bbclass b/meta/classes/create-spdx-3.0.bbclass
index 640f5490bd..25f3aa5f43 100644
--- a/meta/classes/create-spdx-3.0.bbclass
+++ b/meta/classes/create-spdx-3.0.bbclass
@@ -134,7 +134,15 @@ python do_create_spdx() {
     import oe.spdx30_tasks
     oe.spdx30_tasks.create_spdx(d)
 }
-do_create_spdx[vardepsexclude] += "BB_NUMBER_THREADS"
+do_create_spdx[vardepsexclude] += "BB_NUMBER_THREADS SPDX_BUILD_HOST"
+do_create_spdx[vardeps] += "\
+    SPDX_INCLUDE_BITBAKE_PARENT_BUILD \
+    SPDX_PACKAGE_ADDITIONAL_PURPOSE \
+    SPDX_PROFILES \
+    SPDX_NAMESPACE_PREFIX \
+    SPDX_UUID_NAMESPACE \
+    "
+
 addtask do_create_spdx after \
     do_collect_spdx_deps \
     do_deploy_source_date_epoch \