diff --git a/CHANGELOG.md b/CHANGELOG.md
index ec17254..8ab3137 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 ## Unreleased
 
 
+## 3.3.4 - 2019-03-01
+
+### Fixed
+- Fixed an issue where sometimes the fields cache needs refreshing ([#46](https://github.com/angell-co/Spoon/pull/46))
+
+
 ## 3.3.3 - 2019-02-22
 
 ### Fixed
@@ -31,6 +37,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 
 ### Fixed
 - Reverted PR [#46](https://github.com/angell-co/Spoon/pull/46) due to large DB impact resulting in slow page loads
+- Fixed an issue where Spoon was not loading on previous versions of an Entry ([#48](https://github.com/angell-co/Spoon/issues/48))
 
 
 ## 3.3.0 - 2019-02-14
diff --git a/src/services/BlockTypes.php b/src/services/BlockTypes.php
index 664a2aa..6f7486b 100644
--- a/src/services/BlockTypes.php
+++ b/src/services/BlockTypes.php
@@ -51,12 +51,21 @@ class BlockTypes extends Component
     // Public Methods
     // =========================================================================
 
+    /**
+     * BlockTypes constructor.
+     */
+    public function __construct() {
+        // Refresh fields cache in case something has gone awry
+        Craft::$app->fields->refreshFields();
+    }
+
     /**
      * Returns a Spoon block type model by its ID
      *
      * @param $id
      *
-     * @return null
+     * @return BlockType|null
+     * @throws BlockTypeNotFoundException
      */
     public function getById($id)
     {
@@ -374,7 +383,7 @@ public function getFieldLayoutIds($context, $fieldId = false)
      *
      * @param BlockTypeRecord $blockTypeRecord
      *
-     * @return null
+     * @return BlockType|null
      */
     private function _populateBlockTypeFromRecord(BlockTypeRecord $blockTypeRecord)
     {