diff --git a/CHANGELOG.md b/CHANGELOG.md
index ec46735b2..84b58c55d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,14 @@
 
 [1]: https://www.npmjs.com/package/nodejs-spanner?activeTab=versions
 
+### [4.5.2](https://www.github.com/googleapis/nodejs-spanner/compare/v4.5.1...v4.5.2) (2020-01-15)
+
+
+### Bug Fixes
+
+* max backoff should be 32 seconds ([#792](https://www.github.com/googleapis/nodejs-spanner/issues/792)) ([c697240](https://www.github.com/googleapis/nodejs-spanner/commit/c697240c0f1c5d55bee63732b7346e7c95f25dcc))
+* retry executeStreamingSql when error code is retryable ([#795](https://www.github.com/googleapis/nodejs-spanner/issues/795)) ([1491858](https://www.github.com/googleapis/nodejs-spanner/commit/149185809fe32e05504d398849f7eadfe864fb6b)), closes [#620](https://www.github.com/googleapis/nodejs-spanner/issues/620)
+
 ### [4.5.1](https://www.github.com/googleapis/nodejs-spanner/compare/v4.5.0...v4.5.1) (2020-01-08)
 
 
diff --git a/package.json b/package.json
index ccbff70c7..bc6814208 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/spanner",
   "description": "Cloud Spanner Client Library for Node.js",
-  "version": "4.5.1",
+  "version": "4.5.2",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
diff --git a/samples/package.json b/samples/package.json
index 1524174d6..4c56fd849 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -14,7 +14,7 @@
     "test": "mocha system-test --timeout 600000"
   },
   "dependencies": {
-    "@google-cloud/spanner": "^4.5.1",
+    "@google-cloud/spanner": "^4.5.2",
     "yargs": "^15.0.0"
   },
   "devDependencies": {