diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 Brick changelog
 ---------------
 
+2.12
+----
+
+Package changes:
+
+* Raised upper bound on microlens to allow building with 0.5.
+
 2.11
 ----
 
diff --git a/brick.cabal b/brick.cabal
--- a/brick.cabal
+++ b/brick.cabal
@@ -1,5 +1,5 @@
 name:                brick
-version:             2.11
+version:             2.12
 synopsis:            A declarative terminal user interface library
 description:
   Write terminal user interfaces (TUIs) painlessly with 'brick'! You
@@ -117,7 +117,7 @@
                        exceptions >= 0.10.0,
                        filepath,
                        containers >= 0.5.7,
-                       microlens >= 0.3.0.0 && < 0.5,
+                       microlens >= 0.3.0.0 && < 0.6,
                        microlens-th,
                        microlens-mtl,
                        mtl,