diff --git a/cookie-store/build.gradle b/cookie-store/build.gradle
index e22b9df..807c5e4 100644
--- a/cookie-store/build.gradle
+++ b/cookie-store/build.gradle
@@ -68,7 +68,7 @@ dependencies {
 
     // Kotlin
     api "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation "com.google.code.gson:gson:2.9.0"
+    implementation "com.google.code.gson:gson:2.9.1"
 }
 
 apply from: 'https://raw.githubusercontent.com/sky-uk/gradle-maven-plugin/master/gradle-mavenizer.gradle'