diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+### 1.0.19
+
++ Depend on haskell-gi >= 0.26.9 (see [issue 439](https://github.com/haskell-gi/haskell-gi/issues/439))
+
 ### 1.0.18
 
 + Bump base lower bound
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-ostree-1.0.18/docs/GI-OSTree.html](https://hackage.haskell.org/package/gi-ostree-1.0.18/docs/GI-OSTree.html)
+[https://hackage.haskell.org/package/gi-ostree-1.0.19/docs/GI-OSTree.html](https://hackage.haskell.org/package/gi-ostree-1.0.19/docs/GI-OSTree.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/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -12,7 +12,7 @@
   where name = "OSTree"
         version = "1.0"
         pkgName = "gi-ostree"
-        pkgVersion = "1.0.18"
+        pkgVersion = "1.0.19"
         overridesFile = Just "OSTree.overrides"
         verbose = False
         outputDir = Nothing
diff --git a/gi-ostree.cabal b/gi-ostree.cabal
--- a/gi-ostree.cabal
+++ b/gi-ostree.cabal
@@ -1,5 +1,5 @@
 name:                 gi-ostree
-version:              1.0.18
+version:              1.0.19
 synopsis:             OSTree bindings
 description:          Bindings for OSTree, autogenerated by haskell-gi.
 homepage:             https://github.com/haskell-gi/haskell-gi
@@ -16,7 +16,7 @@
 custom-setup
       setup-depends: base >= 4.11 && < 5,
                      Cabal >= 1.24 && < 4,
-                     haskell-gi >= 0.26 && < 0.27,
+                     haskell-gi >= 0.26.9 && < 0.27,
                      gi-gio == 2.0.*,
                      gi-gobject == 2.0.*,
                      gi-glib == 2.0.*
@@ -30,7 +30,7 @@
       pkgconfig-depends: ostree-1
       build-depends: base >= 4.7 && <5,
                      haskell-gi-base >= 0.26 && < 0.27,
-                     haskell-gi >= 0.26 && < 0.27,
+                     haskell-gi >= 0.26.9 && < 0.27,
                      haskell-gi-overloading < 1.1,
                      gi-gio == 2.0.*,
                      gi-gobject == 2.0.*,
@@ -64,7 +64,6 @@
                        GI.OSTree.Objects,
                        GI.OSTree.Objects.AsyncProgress,
                        GI.OSTree.Objects.BootconfigParser,
-                       GI.OSTree.Objects.ChecksumInputStream,
                        GI.OSTree.Objects.ContentWriter,
                        GI.OSTree.Objects.Deployment,
                        GI.OSTree.Objects.GpgVerifyResult,
@@ -79,36 +78,20 @@
                        GI.OSTree.Objects.Sysroot,
                        GI.OSTree.Objects.SysrootUpgrader,
                        GI.OSTree.Structs,
-                       GI.OSTree.Structs.Bootloader,
-                       GI.OSTree.Structs.BootloaderAboot,
-                       GI.OSTree.Structs.BootloaderGrub2,
-                       GI.OSTree.Structs.BootloaderInterface,
-                       GI.OSTree.Structs.BootloaderSyslinux,
-                       GI.OSTree.Structs.BootloaderUboot,
-                       GI.OSTree.Structs.BootloaderZipl,
                        GI.OSTree.Structs.CollectionRef,
                        GI.OSTree.Structs.CommitSizesEntry,
                        GI.OSTree.Structs.DiffDirsOptions,
                        GI.OSTree.Structs.DiffItem,
-                       GI.OSTree.Structs.GpgVerifier,
                        GI.OSTree.Structs.KernelArgs,
-                       GI.OSTree.Structs.KernelArgsEntry,
-                       GI.OSTree.Structs.LibarchiveInputStream,
-                       GI.OSTree.Structs.LzmaCompressor,
-                       GI.OSTree.Structs.LzmaDecompressor,
                        GI.OSTree.Structs.MutableTreeIter,
                        GI.OSTree.Structs.Remote,
                        GI.OSTree.Structs.RepoCheckoutAtOptions,
                        GI.OSTree.Structs.RepoCommitModifier,
                        GI.OSTree.Structs.RepoCommitTraverseIter,
                        GI.OSTree.Structs.RepoDevInoCache,
-                       GI.OSTree.Structs.RepoFileEnumerator,
                        GI.OSTree.Structs.RepoFinderResult,
                        GI.OSTree.Structs.RepoPruneOptions,
                        GI.OSTree.Structs.RepoTransactionStats,
-                       GI.OSTree.Structs.RollsumMatches,
-                       GI.OSTree.Structs.SignDummy,
-                       GI.OSTree.Structs.SignDummyClass,
                        GI.OSTree.Structs.SignEd25519,
                        GI.OSTree.Structs.SignEd25519Class,
                        GI.OSTree.Structs.SysrootDeployTreeOpts,
@@ -127,7 +110,6 @@
                        GI.OSTree.Objects,
                        GI.OSTree.Objects.AsyncProgress,
                        GI.OSTree.Objects.BootconfigParser,
-                       GI.OSTree.Objects.ChecksumInputStream,
                        GI.OSTree.Objects.ContentWriter,
                        GI.OSTree.Objects.Deployment,
                        GI.OSTree.Objects.GpgVerifyResult,
@@ -142,36 +124,20 @@
                        GI.OSTree.Objects.Sysroot,
                        GI.OSTree.Objects.SysrootUpgrader,
                        GI.OSTree.Structs,
-                       GI.OSTree.Structs.Bootloader,
-                       GI.OSTree.Structs.BootloaderAboot,
-                       GI.OSTree.Structs.BootloaderGrub2,
-                       GI.OSTree.Structs.BootloaderInterface,
-                       GI.OSTree.Structs.BootloaderSyslinux,
-                       GI.OSTree.Structs.BootloaderUboot,
-                       GI.OSTree.Structs.BootloaderZipl,
                        GI.OSTree.Structs.CollectionRef,
                        GI.OSTree.Structs.CommitSizesEntry,
                        GI.OSTree.Structs.DiffDirsOptions,
                        GI.OSTree.Structs.DiffItem,
-                       GI.OSTree.Structs.GpgVerifier,
                        GI.OSTree.Structs.KernelArgs,
-                       GI.OSTree.Structs.KernelArgsEntry,
-                       GI.OSTree.Structs.LibarchiveInputStream,
-                       GI.OSTree.Structs.LzmaCompressor,
-                       GI.OSTree.Structs.LzmaDecompressor,
                        GI.OSTree.Structs.MutableTreeIter,
                        GI.OSTree.Structs.Remote,
                        GI.OSTree.Structs.RepoCheckoutAtOptions,
                        GI.OSTree.Structs.RepoCommitModifier,
                        GI.OSTree.Structs.RepoCommitTraverseIter,
                        GI.OSTree.Structs.RepoDevInoCache,
-                       GI.OSTree.Structs.RepoFileEnumerator,
                        GI.OSTree.Structs.RepoFinderResult,
                        GI.OSTree.Structs.RepoPruneOptions,
                        GI.OSTree.Structs.RepoTransactionStats,
-                       GI.OSTree.Structs.RollsumMatches,
-                       GI.OSTree.Structs.SignDummy,
-                       GI.OSTree.Structs.SignDummyClass,
                        GI.OSTree.Structs.SignEd25519,
                        GI.OSTree.Structs.SignEd25519Class,
                        GI.OSTree.Structs.SysrootDeployTreeOpts,