diff --git a/scripts/run_integration_tests_aarch64.sh b/scripts/run_integration_tests_aarch64.sh
index 320536b92..941b717b5 100755
--- a/scripts/run_integration_tests_aarch64.sh
+++ b/scripts/run_integration_tests_aarch64.sh
@@ -141,9 +141,17 @@ update_workloads() {
 
     pushd "$WORKLOADS_DIR" || exit
 
-    if ! sha1sum sha1sums-aarch64-common --check; then
-        echo "sha1sum validation of images failed, remove invalid images to fix the issue."
-        exit 1
+    # Skip checksum verification for custom-provided workloads
+    if [ -n "$CH_CUSTOM_OVMF" ]; then
+        if ! grep -v "CLOUDHV_EFI.fd" sha1sums-aarch64-common | sha1sum --check; then
+            echo "sha1sum validation of images failed, remove invalid images to fix the issue."
+            exit 1
+        fi
+    else
+        if ! sha1sum sha1sums-aarch64-common --check; then
+            echo "sha1sum validation of images failed, remove invalid images to fix the issue."
+            exit 1
+        fi
     fi
     popd || exit
 
diff --git a/scripts/run_integration_tests_x86_64.sh b/scripts/run_integration_tests_x86_64.sh
index f847cd57b..df080c717 100755
--- a/scripts/run_integration_tests_x86_64.sh
+++ b/scripts/run_integration_tests_x86_64.sh
@@ -116,9 +116,21 @@ if [ ! -f "$ALPINE_INITRAMFS_IMAGE" ]; then
 fi
 
 pushd "$WORKLOADS_DIR" || exit
-if ! sha1sum sha1sums-x86_64 sha1sums-x86_64-common --check; then
-    echo "sha1sum validation of images failed, remove invalid images to fix the issue."
-    exit 1
+# Skip checksum verification for custom-provided workloads
+sha1_exclude=""
+[ -n "$CH_CUSTOM_FIRMWARE" ] && sha1_exclude="${sha1_exclude}|hypervisor-fw"
+[ -n "$CH_CUSTOM_OVMF" ] && sha1_exclude="${sha1_exclude}|CLOUDHV\\.fd"
+sha1_exclude="${sha1_exclude#|}"
+if [ -n "$sha1_exclude" ]; then
+    if ! cat sha1sums-x86_64 sha1sums-x86_64-common | grep -Ev "$sha1_exclude" | sha1sum --check; then
+        echo "sha1sum validation of images failed, remove invalid images to fix the issue."
+        exit 1
+    fi
+else
+    if ! sha1sum sha1sums-x86_64 sha1sums-x86_64-common --check; then
+        echo "sha1sum validation of images failed, remove invalid images to fix the issue."
+        exit 1
+    fi
 fi
 popd || exit