diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+### 2.0.6
+
++ Tighten bounds in haskell-gi(-base)
+
 ### 2.0.5
 
 + List autogenerated modules in .cabal file
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-xlib-2.0.5/docs/GI-Xlib.html](https://hackage.haskell.org/package/gi-xlib-2.0.5/docs/GI-Xlib.html)
+[https://hackage.haskell.org/package/gi-xlib-2.0.6/docs/GI-Xlib.html](https://hackage.haskell.org/package/gi-xlib-2.0.6/docs/GI-Xlib.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-xlib.cabal b/gi-xlib.cabal
--- a/gi-xlib.cabal
+++ b/gi-xlib.cabal
@@ -1,5 +1,5 @@
 name:                 gi-xlib
-version:              2.0.5
+version:              2.0.6
 synopsis:             xlib bindings
 description:          Bindings for xlib, autogenerated by haskell-gi.
 homepage:             https://github.com/haskell-gi/haskell-gi
@@ -16,7 +16,7 @@
 custom-setup
       setup-depends: base >= 4.9 && < 5,
                      Cabal >= 1.24,
-                     haskell-gi >= 0.21.0 && < 0.23
+                     haskell-gi >= 0.22.0 && < 0.23
 
 library
       default-language: Haskell2010
@@ -26,8 +26,8 @@
 
       pkgconfig-depends: x11 >= 1.6
       build-depends: base >= 4.7 && <5,
-                     haskell-gi-base >= 0.21.0 && < 0.23,
-                     haskell-gi >= 0.21.0 && < 0.23,
+                     haskell-gi-base >= 0.22.0 && < 0.23,
+                     haskell-gi >= 0.22.0 && < 0.23,
                      haskell-gi-overloading < 1.1,
                      bytestring >= 0.10 && < 1,
                      containers >= 0.5 && < 1,