diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# `nix-diff 1.0.5`
+# `nix-diff`
 
 This package provides a `nix-diff` executable which explains why two Nix
 derivations differ.  The most common use cases for this are:
diff --git a/nix-diff.cabal b/nix-diff.cabal
--- a/nix-diff.cabal
+++ b/nix-diff.cabal
@@ -1,5 +1,5 @@
 name:                nix-diff
-version:             1.0.5
+version:             1.0.6
 synopsis:            Explain why two Nix derivations differ
 description:         This package provides a @nix-diff@ executable which
                      explains why two Nix derivations (i.e. @*.drv@ files)
@@ -20,7 +20,7 @@
   main-is:             Main.hs
   build-depends:       base                 >= 4.9      && < 5
                      , attoparsec           >= 0.13     && < 0.14
-                     , containers           >= 0.5      && < 0.6
+                     , containers           >= 0.5      && < 0.7
                      , Diff                 >= 0.3      && < 0.4
                      , text                 >= 1.2      && < 1.3
                      , system-filepath      >= 0.4      && < 0.5