diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+### 0.18.27
+
++ Relax constraint on text
+
 ### 0.18.26
 
 + Update to haskell-gi(-base)-0.26
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-0.18.26/docs/GI-Poppler.html](https://hackage.haskell.org/package/gi-poppler-0.18.26/docs/GI-Poppler.html)
+[https://hackage.haskell.org/package/gi-poppler-0.18.27/docs/GI-Poppler.html](https://hackage.haskell.org/package/gi-poppler-0.18.27/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/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -13,7 +13,7 @@
   where name = "Poppler"
         version = "0.18"
         pkgName = "gi-poppler"
-        pkgVersion = "0.18.26"
+        pkgVersion = "0.18.27"
         overridesFile = Just "Poppler.overrides"
         verbose = False
         outputDir = Nothing
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:              0.18.26
+version:              0.18.27
 synopsis:             Poppler bindings
 description:          Bindings for Poppler, autogenerated by haskell-gi.
 homepage:             https://github.com/haskell-gi/haskell-gi
@@ -24,7 +24,7 @@
 
 library
       default-language: Haskell2010
-      default-extensions: NoImplicitPrelude, ScopedTypeVariables, CPP, OverloadedStrings, NegativeLiterals, ConstraintKinds, TypeFamilies, MultiParamTypeClasses, KindSignatures, FlexibleInstances, UndecidableInstances, DataKinds, FlexibleContexts, UndecidableSuperClasses
+      default-extensions: NoImplicitPrelude, ScopedTypeVariables, CPP, OverloadedStrings, NegativeLiterals, ConstraintKinds, TypeFamilies, MultiParamTypeClasses, KindSignatures, FlexibleInstances, UndecidableInstances, DataKinds, FlexibleContexts, UndecidableSuperClasses, TypeOperators
       other-extensions: PatternSynonyms, ViewPatterns, TypeApplications
       ghc-options: -fno-warn-unused-imports -fno-warn-warnings-deprecations
 
@@ -39,7 +39,7 @@
                      gi-glib == 2.0.*,
                      bytestring >= 0.10 && < 1,
                      containers >= 0.5 && < 1,
-                     text >= 1.0 && < 2,
+                     text >= 1.0 && < 3,
                      transformers >= 0.4 && < 1
 
       -- Disable overloading when compiling under GHC 8.2.x
@@ -110,6 +110,7 @@
                        GI.Poppler.Structs.Point,
                        GI.Poppler.Structs.Quadrilateral,
                        GI.Poppler.Structs.Rectangle,
+                       GI.Poppler.Structs.SignatureInfo,
                        GI.Poppler.Structs.StructureElementIter,
                        GI.Poppler.Structs.TextAttributes,
                        GI.Poppler.Structs.TextSpan,
@@ -173,6 +174,7 @@
                        GI.Poppler.Structs.Point,
                        GI.Poppler.Structs.Quadrilateral,
                        GI.Poppler.Structs.Rectangle,
+                       GI.Poppler.Structs.SignatureInfo,
                        GI.Poppler.Structs.StructureElementIter,
                        GI.Poppler.Structs.TextAttributes,
                        GI.Poppler.Structs.TextSpan,