diff --git a/google-cloud-firestore/pom.xml b/google-cloud-firestore/pom.xml
index 6f606dd0b..7ac25f996 100644
--- a/google-cloud-firestore/pom.xml
+++ b/google-cloud-firestore/pom.xml
@@ -107,6 +107,11 @@
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.google.code.gson</groupId>
+      <artifactId>gson</artifactId>
+      <scope>runtime</scope>
+    </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java-util</artifactId>
@@ -130,11 +135,6 @@
       <version>1.10.19</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>com.google.code.gson</groupId>
-      <artifactId>gson</artifactId>
-      <scope>test</scope>
-    </dependency>
     <!-- Need testing utility classes for generated gRPC clients tests -->
     <dependency>
       <groupId>com.google.api</groupId>