diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,3 +9,7 @@
 Added support for GHC 8.8.3, bumped upper bound for base to 4.13.0.0, changed
 `build-tools` for `build-tool-depends` in cabal file. All this as work required
 to add package to stackage.
+
+## 0.1.1.1 -- 2020-04-30
+
+Fix `base` bounds for GHC 8.6.* to restore hackage build.
diff --git a/dialogflow-fulfillment.cabal b/dialogflow-fulfillment.cabal
--- a/dialogflow-fulfillment.cabal
+++ b/dialogflow-fulfillment.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.4
 name:                dialogflow-fulfillment
-version:             0.1.1.0
+version:             0.1.1.1
 tested-with:         GHC==8.6.4
                      GHC==8.8.3
 category:            API
@@ -42,7 +42,7 @@
 
   build-depends:
       aeson >= 1.4.2 && < 1.5
-    , base ^>=4.13.0.0
+    , base >=4.12.0.0 && < 4.14.0.0
     , bytestring >= 0.10.8 && < 0.11
     , containers >= 0.6.0 && < 0.7
     , text >= 1.2.3 && < 1.3