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index fdd4cf85e..e39829c48 100644
--- a/packages/opencensus-core/package-lock.json
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diff --git a/packages/opencensus-exporter-instana/package-lock.json b/packages/opencensus-exporter-instana/package-lock.json
index 74df9c95c..32e821472 100644
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diff --git a/packages/opencensus-exporter-instana/package.json b/packages/opencensus-exporter-instana/package.json
index efb1d5cb3..be61f932a 100644
--- a/packages/opencensus-exporter-instana/package.json
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diff --git a/packages/opencensus-exporter-jaeger/package-lock.json b/packages/opencensus-exporter-jaeger/package-lock.json
index 8e6faa83d..f1aa2102d 100644
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diff --git a/packages/opencensus-exporter-jaeger/package.json b/packages/opencensus-exporter-jaeger/package.json
index 92a833193..013174d17 100644
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diff --git a/packages/opencensus-exporter-ocagent/package-lock.json b/packages/opencensus-exporter-ocagent/package-lock.json
index 4581f448f..3a0e306bd 100644
--- a/packages/opencensus-exporter-ocagent/package-lock.json
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-      "integrity": "sha1-D2RYS6ZC8PKs4oBiefTwbKI61zw=",
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diff --git a/packages/opencensus-exporter-ocagent/package.json b/packages/opencensus-exporter-ocagent/package.json
index accdc9ed4..72423098a 100644
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index ea3bba784..d41653c0f 100644
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diff --git a/packages/opencensus-exporter-prometheus/package.json b/packages/opencensus-exporter-prometheus/package.json
index 36f6d7b93..5650832b2 100644
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diff --git a/packages/opencensus-exporter-stackdriver/package-lock.json b/packages/opencensus-exporter-stackdriver/package-lock.json
index c676e7ede..61b5829c1 100644
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diff --git a/packages/opencensus-exporter-stackdriver/package.json b/packages/opencensus-exporter-stackdriver/package.json
index ba34813bb..6b2d11efc 100644
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diff --git a/packages/opencensus-exporter-zipkin/package-lock.json b/packages/opencensus-exporter-zipkin/package-lock.json
index d0202a6c7..5268250aa 100644
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index 188f904f8..0accad12f 100644
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diff --git a/packages/opencensus-instrumentation-http2/package.json b/packages/opencensus-instrumentation-http2/package.json
index ed0abe253..86f9e9a13 100644
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index 8f176dacf..a0e905165 100644
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diff --git a/packages/opencensus-instrumentation-https/package.json b/packages/opencensus-instrumentation-https/package.json
index 343b490e3..c5784e2fd 100644
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diff --git a/packages/opencensus-instrumentation-mongodb/package.json b/packages/opencensus-instrumentation-mongodb/package.json
index b0ae29de7..029daba08 100644
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diff --git a/packages/opencensus-nodejs/package-lock.json b/packages/opencensus-nodejs/package-lock.json
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diff --git a/packages/opencensus-propagation-b3/package-lock.json b/packages/opencensus-propagation-b3/package-lock.json
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diff --git a/packages/opencensus-propagation-jaeger/package-lock.json b/packages/opencensus-propagation-jaeger/package-lock.json
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diff --git a/packages/opencensus-propagation-stackdriver/package-lock.json b/packages/opencensus-propagation-stackdriver/package-lock.json
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+          "bundled": true,
+          "optional": true
         },
         "require-directory": {
           "version": "2.1.1",
diff --git a/packages/opencensus-propagation-tracecontext/package-lock.json b/packages/opencensus-propagation-tracecontext/package-lock.json
index 12d42a7e5..22c836c5a 100644
--- a/packages/opencensus-propagation-tracecontext/package-lock.json
+++ b/packages/opencensus-propagation-tracecontext/package-lock.json
@@ -1105,6 +1105,7 @@
         "align-text": {
           "version": "0.1.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -1384,7 +1385,8 @@
         },
         "is-buffer": {
           "version": "1.1.6",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "is-builtin-module": {
           "version": "1.0.0",
@@ -1456,6 +1458,7 @@
         "kind-of": {
           "version": "3.2.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "is-buffer": "^1.1.5"
           }
@@ -1496,7 +1499,8 @@
         },
         "longest": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "lru-cache": {
           "version": "4.1.3",
@@ -1725,7 +1729,8 @@
         },
         "repeat-string": {
           "version": "1.6.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "require-directory": {
           "version": "2.1.1",