diff --git a/pom.xml b/pom.xml
index b649f82e..9064074b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,7 +67,7 @@
     <junit.version>4.13</junit.version>
     <google.common-protos.version>1.17.0</google.common-protos.version>
     <protobuf.version>3.11.4</protobuf.version>
-    <threeten.version>1.4.1</threeten.version>
+    <threeten.version>1.4.3</threeten.version>
     <google.api-common.version>1.9.0</google.api-common.version>
     <spanner.version>1.52.0</spanner.version>
     <hamcrest.version>2.2</hamcrest.version>