diff --git a/src/Drivers/StaticEntitySet.php b/src/Drivers/StaticEntitySet.php
index 56bd5cdbb..ddaf2d2a7 100644
--- a/src/Drivers/StaticEntitySet.php
+++ b/src/Drivers/StaticEntitySet.php
@@ -46,7 +46,7 @@ public function offsetExists($offset): bool
         return array_key_exists($offset, $this->results);
     }
 
-    public function offsetGet($offset)
+    public function offsetGet($offset): ?Entity
     {
         return $this->results[$offset];
     }
diff --git a/src/Helper/ObjectArray.php b/src/Helper/ObjectArray.php
index 425ba7594..7d1734f2e 100644
--- a/src/Helper/ObjectArray.php
+++ b/src/Helper/ObjectArray.php
@@ -115,6 +115,7 @@ public function exists($key): bool
      * Get the current value in the array
      * @return mixed
      */
+    #[\ReturnTypeWillChange]
     public function current()
     {
         return current($this->array);
@@ -199,6 +200,7 @@ public function get($key)
      * @param  mixed  $offset
      * @return mixed|null
      */
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return $this->get($offset);
diff --git a/src/Transaction/MetadataContainer.php b/src/Transaction/MetadataContainer.php
index b3a8cc75a..53c73b184 100644
--- a/src/Transaction/MetadataContainer.php
+++ b/src/Transaction/MetadataContainer.php
@@ -136,7 +136,7 @@ public function offsetExists($offset): bool
         return array_key_exists($offset, $this->properties);
     }
 
-    public function offsetGet($offset)
+    public function offsetGet($offset): ?string
     {
         return $this->properties[$offset];
     }