diff --git a/meta/classes-recipe/create-spdx-image-3.0.bbclass b/meta/classes-recipe/create-spdx-image-3.0.bbclass
index 18e6cf6dfa..5144616285 100644
--- a/meta/classes-recipe/create-spdx-image-3.0.bbclass
+++ b/meta/classes-recipe/create-spdx-image-3.0.bbclass
@@ -36,6 +36,7 @@ do_create_rootfs_spdx[sstate-inputdirs] = "${SPDXROOTFSDEPLOY}"
 do_create_rootfs_spdx[sstate-outputdirs] = "${DEPLOY_DIR_SPDX}"
 do_create_rootfs_spdx[recrdeptask] += "do_create_spdx do_create_package_spdx"
 do_create_rootfs_spdx[cleandirs] += "${SPDXROOTFSDEPLOY}"
+do_create_rootfs_spdx[file-checksums] += "${SPDX3_LIB_DEP_FILES}"
 
 python do_create_rootfs_spdx_setscene() {
     sstate_setscene(d)
@@ -53,6 +54,7 @@ do_create_image_spdx[sstate-inputdirs] = "${SPDXIMAGEWORK}"
 do_create_image_spdx[sstate-outputdirs] = "${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}"
 
 python do_create_image_spdx_setscene() {
     sstate_setscene(d)
@@ -72,6 +74,7 @@ do_create_image_sbom_spdx[sstate-outputdirs] = "${DEPLOY_DIR_IMAGE}"
 do_create_image_sbom_spdx[stamp-extra-info] = "${MACHINE_ARCH}"
 do_create_image_sbom_spdx[cleandirs] = "${SPDXIMAGEDEPLOYDIR}"
 do_create_image_sbom_spdx[recrdeptask] += "do_create_spdx do_create_package_spdx"
+do_create_image_sbom_spdx[file-checksums] += "${SPDX3_LIB_DEP_FILES}"
 
 python do_create_image_sbom_spdx_setscene() {
     sstate_setscene(d)
diff --git a/meta/classes-recipe/create-spdx-sdk-3.0.bbclass b/meta/classes-recipe/create-spdx-sdk-3.0.bbclass
index ea01a21cc5..855fb3d09f 100644
--- a/meta/classes-recipe/create-spdx-sdk-3.0.bbclass
+++ b/meta/classes-recipe/create-spdx-sdk-3.0.bbclass
@@ -8,12 +8,14 @@
 do_populate_sdk[recrdeptask] += "do_create_spdx do_create_package_spdx"
 do_populate_sdk[cleandirs] += "${SPDXSDKWORK}"
 do_populate_sdk[postfuncs] += "sdk_create_sbom"
+do_populate_sdk[file-checksums] += "${SPDX3_LIB_DEP_FILES}"
 POPULATE_SDK_POST_HOST_COMMAND:append:task-populate-sdk = " sdk_host_create_spdx"
 POPULATE_SDK_POST_TARGET_COMMAND:append:task-populate-sdk = " sdk_target_create_spdx"
 
 do_populate_sdk_ext[recrdeptask] += "do_create_spdx do_create_package_spdx"
 do_populate_sdk_ext[cleandirs] += "${SPDXSDKEXTWORK}"
 do_populate_sdk_ext[postfuncs] += "sdk_ext_create_sbom"
+do_populate_sdk_ext[file-checksums] += "${SPDX3_LIB_DEP_FILES}"
 POPULATE_SDK_POST_HOST_COMMAND:append:task-populate-sdk-ext = " sdk_ext_host_create_spdx"
 POPULATE_SDK_POST_TARGET_COMMAND:append:task-populate-sdk-ext = " sdk_ext_target_create_spdx"
 
diff --git a/meta/classes/create-spdx-3.0.bbclass b/meta/classes/create-spdx-3.0.bbclass
index bc23d2d211..640f5490bd 100644
--- a/meta/classes/create-spdx-3.0.bbclass
+++ b/meta/classes/create-spdx-3.0.bbclass
@@ -122,6 +122,13 @@ oe.spdx30_tasks.get_package_sources_from_debug[vardepsexclude] += "STAGING_KERNE
 oe.spdx30_tasks.collect_dep_objsets[vardepsexclude] = "SPDX_MULTILIB_SSTATE_ARCHS"
 
 
+# SPDX library code makes heavy use of classes, which bitbake cannot easily
+# parse out dependencies. As such, the library code files that make use of
+# classes are explicitly added as file checksum dependencies.
+SPDX3_LIB_DEP_FILES = "\
+    ${COREBASE}/meta/lib/oe/sbom30.py:True \
+    ${COREBASE}/meta/lib/oe/spdx30.py:True \
+    "
 
 python do_create_spdx() {
     import oe.spdx30_tasks
@@ -137,6 +144,7 @@ addtask do_create_spdx after \
 SSTATETASKS += "do_create_spdx"
 do_create_spdx[sstate-inputdirs] = "${SPDXDEPLOY}"
 do_create_spdx[sstate-outputdirs] = "${DEPLOY_DIR_SPDX}"
+do_create_spdx[file-checksums] += "${SPDX3_LIB_DEP_FILES}"
 
 python do_create_spdx_setscene () {
     sstate_setscene(d)
@@ -160,6 +168,7 @@ addtask do_create_package_spdx after do_create_spdx before do_build do_rm_work
 SSTATETASKS += "do_create_package_spdx"
 do_create_package_spdx[sstate-inputdirs] = "${SPDXRUNTIMEDEPLOY}"
 do_create_package_spdx[sstate-outputdirs] = "${DEPLOY_DIR_SPDX}"
+do_create_package_spdx[file-checksums] += "${SPDX3_LIB_DEP_FILES}"
 
 python do_create_package_spdx_setscene () {
     sstate_setscene(d)