diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 66f2bee9590..89513d70bb3 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<files psalm-version="dev-master@1c078136273a669d52d234251ddbae4cd0507d38">
+<files psalm-version="dev-master">
   <file src="examples/TemplateChecker.php">
     <PossiblyUndefinedIntArrayOffset occurrences="2">
       <code>$comment_block-&gt;tags['variablesfrom'][0]</code>
@@ -642,8 +642,9 @@
     </DeprecatedClass>
   </file>
   <file src="src/Psalm/Type/Atomic.php">
-    <DeprecatedClass occurrences="1">
+    <DeprecatedClass occurrences="2">
       <code>new TEmpty()</code>
+      <code>new THtmlEscapedString()</code>
     </DeprecatedClass>
     <PossiblyUndefinedIntArrayOffset occurrences="1">
       <code>array_keys($template_type_map[$value])[0]</code>
diff --git a/src/Psalm/Type/Atomic/THtmlEscapedString.php b/src/Psalm/Type/Atomic/THtmlEscapedString.php
index b6a77f56e38..da315ece4b8 100644
--- a/src/Psalm/Type/Atomic/THtmlEscapedString.php
+++ b/src/Psalm/Type/Atomic/THtmlEscapedString.php
@@ -4,6 +4,7 @@
 
 /**
  * Special type, specifically for consumption by plugins.
+ * @deprecated going to be removed in Psalm 5. Use taints instead.
  */
 class THtmlEscapedString extends TString
 {