diff --git a/README.md b/README.md
index 9b06979b..f8a7a236 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ feature flagging and experimentation for Eppo customers. An API key is required
 
 ```groovy
 dependencies {
-  implementation 'cloud.eppo:android-sdk:4.10.2'
+  implementation 'cloud.eppo:android-sdk:4.11.0'
 }
 
 dependencyResolutionManagement {
diff --git a/eppo/build.gradle b/eppo/build.gradle
index b28d44c0..51fa7fe3 100644
--- a/eppo/build.gradle
+++ b/eppo/build.gradle
@@ -7,7 +7,7 @@ plugins {
 }
 
 group = "cloud.eppo"
-version = "4.10.3-SNAPSHOT"
+version = "4.11.0-SNAPSHOT"
 
 android {
     buildFeatures.buildConfig true
@@ -68,7 +68,7 @@ ext.versions = [
 ]
 
 dependencies {
-    api 'cloud.eppo:sdk-common-jvm:3.12.2'
+    api 'cloud.eppo:sdk-common-jvm:3.13.0'
 
     implementation 'org.slf4j:slf4j-api:2.0.17'
 
diff --git a/eppo/src/main/java/cloud/eppo/android/cache/LRUAssignmentCache.java b/eppo/src/main/java/cloud/eppo/android/cache/LRUAssignmentCache.java
index ece5e918..96d74c03 100644
--- a/eppo/src/main/java/cloud/eppo/android/cache/LRUAssignmentCache.java
+++ b/eppo/src/main/java/cloud/eppo/android/cache/LRUAssignmentCache.java
@@ -20,6 +20,19 @@ public void put(String cacheKey, @NonNull String serializedEntry) {
           public String get(String cacheKey) {
             return cache.get(cacheKey);
           }
+
+          @Override
+          public boolean putIfAbsent(String cacheKey, @NonNull String serializedEntry) {
+            boolean hadNoPreviousEntry;
+            synchronized (cache) {
+              String entry = cache.get(cacheKey);
+              hadNoPreviousEntry = entry == null;
+              if (hadNoPreviousEntry) {
+                cache.put(cacheKey, serializedEntry);
+              }
+            }
+            return hadNoPreviousEntry;
+          }
         });
   }
 }