diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+### 0.18.22
+
++ Mark the freeing functions in GI.Poppler.Objects.Page as taking ownership of the argument, to avoid crashes.
+
 ### 0.18.21
 
 + Update for haskell-gi(-base)-0.23
diff --git a/Poppler.overrides b/Poppler.overrides
--- a/Poppler.overrides
+++ b/Poppler.overrides
@@ -1,5 +1,13 @@
 namespace Poppler
 
+# These will destroy the argument, so mark them as taking ownership of the argument.
+set-attr Poppler/Page/free_annot_mapping/@parameters/list transfer-ownership full
+set-attr Poppler/Page/free_form_field_mapping/@parameters/list transfer-ownership full
+set-attr Poppler/Page/free_image_mapping/@parameters/list transfer-ownership full
+set-attr Poppler/Page/free_link_mapping/@parameters/list transfer-ownership full
+set-attr Poppler/Page/free_image_mapping/@parameters/list transfer-ownership full
+set-attr Poppler/Page/free_text_attributes/@parameters/list transfer-ownership full
+
 # Generated from poppler-glib 0.42.0 with xsltproc Nullable.xslt Poppler-0.18.gir
 set-attr Poppler/Annot/set_color/@parameters/poppler_color nullable 1
 set-attr Poppler/AnnotCircle/set_interior_color/@parameters/poppler_color nullable 1
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-poppler-0.18.21/docs/GI-Poppler.html](https://hackage.haskell.org/package/gi-poppler-0.18.21/docs/GI-Poppler.html)
+[https://hackage.haskell.org/package/gi-poppler-0.18.22/docs/GI-Poppler.html](https://hackage.haskell.org/package/gi-poppler-0.18.22/docs/GI-Poppler.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/gi-poppler.cabal b/gi-poppler.cabal
--- a/gi-poppler.cabal
+++ b/gi-poppler.cabal
@@ -1,5 +1,5 @@
 name:                 gi-poppler
-version:              0.18.21
+version:              0.18.22
 synopsis:             Poppler bindings
 description:          Bindings for Poppler, autogenerated by haskell-gi.
 homepage:             https://github.com/haskell-gi/haskell-gi