diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+1.2.6
+
+* [Allow bytestring-0.11](https://github.com/dhall-lang/dhall-haskell/pull/2144)
+
 1.2.5
 
 * Build against `dhall-1.38.0`, `tasty-1.4`, and `tasty-silver-3.2`
diff --git a/dhall-yaml.cabal b/dhall-yaml.cabal
--- a/dhall-yaml.cabal
+++ b/dhall-yaml.cabal
@@ -1,5 +1,5 @@
 Name: dhall-yaml
-Version: 1.2.5
+Version: 1.2.6
 Cabal-Version: >=1.10
 Build-Type: Simple
 Tested-With: GHC == 8.4.3, GHC == 8.6.1
@@ -36,7 +36,7 @@
         HsYAML-aeson              >= 0.2       && < 0.3 ,
         base                      >= 4.11.0.0  && < 5   ,
         aeson                     >= 1.0.0.0   && < 1.6 ,
-        bytestring                                < 0.11,
+        bytestring                                < 0.12,
         dhall                     >= 1.31.0    && < 1.39,
         dhall-json                >= 1.6.0     && < 1.8 ,
         optparse-applicative      >= 0.14.0.0  && < 0.17,
@@ -67,7 +67,7 @@
         base                                             ,
         aeson                                            ,
         ansi-terminal               >= 0.6.3.1  && < 0.12,
-        bytestring                                 < 0.11,
+        bytestring                                       ,
         dhall                                            ,
         dhall-json                                       ,
         dhall-yaml                                       ,