diff --git a/atom/renderer/api/atom_api_web_frame.cc b/atom/renderer/api/atom_api_web_frame.cc
index 2d1ebd288dfc..7ce3466ae50f 100644
--- a/atom/renderer/api/atom_api_web_frame.cc
+++ b/atom/renderer/api/atom_api_web_frame.cc
@@ -368,6 +368,15 @@ void WebFrame::ClearCache(v8::Isolate* isolate) {
     base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL);
 }
 
+void WebFrame::SetCacheCapacity(v8::Isolate* isolate, int capacity) {
+  if (capacity > 0) {
+    blink::WebCache::SetCapacity(capacity);
+  } else {
+    isolate->ThrowException(v8::Exception::TypeError(
+        mate::StringToV8(isolate, "Invalid cache capacity")));
+  }
+}
+
 // static
 void WebFrame::BuildPrototype(
     v8::Isolate* isolate, v8::Local<v8::FunctionTemplate> prototype) {
@@ -408,6 +417,7 @@ void WebFrame::BuildPrototype(
                  &WebFrame::SetIsolatedWorldHumanReadableName)
       .SetMethod("getResourceUsage", &WebFrame::GetResourceUsage)
       .SetMethod("clearCache", &WebFrame::ClearCache)
+      .SetMethod("setCacheCapacity", &WebFrame::SetCacheCapacity)
       // TODO(kevinsawicki): Remove in 2.0, deprecate before then with warnings
       .SetMethod("setZoomLevelLimits", &WebFrame::SetVisualZoomLevelLimits);
 }
diff --git a/atom/renderer/api/atom_api_web_frame.h b/atom/renderer/api/atom_api_web_frame.h
index 7abf870e7ae4..cbc60d9b0b1e 100644
--- a/atom/renderer/api/atom_api_web_frame.h
+++ b/atom/renderer/api/atom_api_web_frame.h
@@ -92,6 +92,7 @@ class WebFrame : public mate::Wrappable<WebFrame> {
   // Resource related methods
   blink::WebCache::ResourceTypeStats GetResourceUsage(v8::Isolate* isolate);
   void ClearCache(v8::Isolate* isolate);
+  void SetCacheCapacity(v8::Isolate* isolate, int capacity);
 
   std::unique_ptr<SpellCheckClient> spell_check_client_;