diff --git a/lib/workers/repository/process/lookup/index.js b/lib/workers/repository/process/lookup/index.js
index 36df77cf3063a61483ace1792d2ddafea5394734..3664366295434c47aea2e117d4dea184ff3adede 100644
--- a/lib/workers/repository/process/lookup/index.js
+++ b/lib/workers/repository/process/lookup/index.js
@@ -176,16 +176,25 @@ async function lookupUpdates(config) {
     for (const update of res.updates) {
       if (config.pinDigests || config.currentDigest) {
         update.newDigest = await getDigest(config.purl, update.newValue);
-        update.newDigestShort = update.newDigest.slice(7, 13);
+        if (update.newDigest) {
+          update.newDigestShort = update.newDigest.slice(7, 13);
+        } else {
+          logger.info(
+            { purl: config.purl, newValue: update.newValue },
+            'Could not getDigest'
+          );
+        }
       }
     }
   }
   // Strip out any non-changed ones
-  res.updates = res.updates.filter(
-    update =>
-      update.newValue !== config.currentValue ||
-      update.newDigest !== config.currentDigest
-  );
+  res.updates = res.updates
+    .filter(update => update.newDigest !== null)
+    .filter(
+      update =>
+        update.newValue !== config.currentValue ||
+        update.newDigest !== config.currentDigest
+    );
   if (res.updates.some(update => update.updateType === 'pin')) {
     for (const update of res.updates) {
       if (update.updateType !== 'pin' && update.updateType !== 'rollback') {
diff --git a/test/workers/repository/process/lookup/index.spec.js b/test/workers/repository/process/lookup/index.spec.js
index 5738e1abe053210fccf7d7e18880655ff5dd7070..98f1822ed1cbe605aa73885a757e4a5b16a67e31 100644
--- a/test/workers/repository/process/lookup/index.spec.js
+++ b/test/workers/repository/process/lookup/index.spec.js
@@ -931,6 +931,28 @@ describe('manager/npm/lookup', () => {
       const res = await lookup.lookupUpdates(config);
       expect(res).toMatchSnapshot();
     });
+    it('handles digest lookup failure', async () => {
+      config.currentValue = 'alpine';
+      config.depName = 'node';
+      config.purl = 'pkg:docker/node';
+      config.pinDigests = true;
+      docker.getDependency.mockReturnValueOnce({
+        releases: [
+          {
+            version: '8.0.0',
+          },
+          {
+            version: '8.1.0',
+          },
+          {
+            version: 'alpine',
+          },
+        ],
+      });
+      docker.getDigest.mockReturnValueOnce(null);
+      const res = await lookup.lookupUpdates(config);
+      expect(res.updates).toHaveLength(0);
+    });
     it('handles digest update', async () => {
       config.currentValue = '8.0.0';
       config.depName = 'node';