diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+### 2.91.19
+
++ Properly annotate the return value of [terminalGetWindowTitle](https://hackage.haskell.org/package/gi-vte-2.91.19/docs/GI-Vte-Objects-Terminal.html#v:terminalGetWindowTitle) as nullable.
+
 ### 2.91.18
 
 + Properly annotate the return value of [terminalGetCurrentDirectoryUri](https://hackage.haskell.org/package/gi-vte-2.91.18/docs/GI-Vte-Objects-Terminal.html#v:terminalGetCurrentDirectoryUri) as nullable.
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Documentation
 Autogenerated documentation for this package can be found at
 
-[https://hackage.haskell.org/package/gi-vte-2.91.18/docs/GI-Vte.html](https://hackage.haskell.org/package/gi-vte-2.91.18/docs/GI-Vte.html)
+[https://hackage.haskell.org/package/gi-vte-2.91.19/docs/GI-Vte.html](https://hackage.haskell.org/package/gi-vte-2.91.19/docs/GI-Vte.html)
 
 For general documentation on using [haskell-gi](https://github.com/haskell-gi/haskell-gi) based bindings, see [the project page](https://github.com/haskell-gi/haskell-gi) or [the Wiki](https://github.com/haskell-gi/haskell-gi/wiki).
diff --git a/Vte.overrides b/Vte.overrides
--- a/Vte.overrides
+++ b/Vte.overrides
@@ -10,3 +10,7 @@
 # The return value is nullable, but it is not properly annotated as such
 # https://github.com/haskell-gi/haskell-gi/issues/179
 set-attr Vte/Terminal/get_current_directory_uri/@return-value nullable 1
+
+# The return value is nullable, but it is not properly annotated as such
+# https://github.com/haskell-gi/haskell-gi/issues/185
+set-attr Vte/Terminal/get_window_title/@return-value nullable 1
diff --git a/gi-vte.cabal b/gi-vte.cabal
--- a/gi-vte.cabal
+++ b/gi-vte.cabal
@@ -1,5 +1,5 @@
 name:                 gi-vte
-version:              2.91.18
+version:              2.91.19
 synopsis:             Vte bindings
 description:          Bindings for Vte, autogenerated by haskell-gi.
 homepage:             https://github.com/haskell-gi/haskell-gi