diff --git a/.travis.yml b/.travis.yml
index 2bef546d3..a5131aecd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,8 +19,8 @@ env:
  - CABALVER=1.22 GHCVER=7.10.2
  - CABALVER=1.22 GHCVER=7.10.3
  - CABALVER=1.24 GHCVER=8.0.1
- - CABALVER=2.0  GHCVER=8.2.1
  - CABALVER=2.0  GHCVER=8.2.2
+ - CABALVER=2.2  GHCVER=8.4.1
 
 # Note: the distinction between `before_install` and `install` is not
 #       important.
diff --git a/README.md b/README.md
index 7e13d6c88..370b777ad 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,8 @@ Supports:
  * GHC 7.10.3
  * GHC 8.0.1
  * GHC 8.0.2
+ * GHC 8.2.1
+ * GHC 8.4.1
  * GHC HEAD
 
 Usage
@@ -90,22 +92,22 @@ libraries that are universally common across most real-world projects. Lower and
 upper bounds are fully specified and compatible with both vanilla Cabal and
 tracks Stack LTS resolver.
 
-| Dependencies  | Lower    | Upper    |
-| -----------   | -------- | -------- |
-| array         | 0.4      | 0.6      |
-| async         | 2.0      | 2.2      |
-| base          | 4.6      | 4.11     |
-| bytestring    | 0.10     | 0.11     |
-| containers    | 0.5      | 0.6      |
-| deepseq       | 1.3      | 1.5      |
-| ghc-prim      | 0.3      | 0.6      |
-| integer-gmp   | 1.0      | 1.0      |
-| mtl           | 2.1      | 2.3      |
-| safe          | 0.3      | 0.4      |
-| stm           | 2.4      | 2.5      |
-| text          | 1.2      | 1.3      |
-| hashable      | 1.2      | 1.3      |
-| transformers  | 0.4      | 0.6      |
+| Dependencies        | Lower (>=) | Upper (<) |
+| -----------         |   -------- |  -------- |
+| array               |        0.4 |       0.6 |
+| async               |        2.0 |       2.3 |
+| base                |        4.6 |      4.12 |
+| bytestring          |       0.10 |      0.11 |
+| containers          |        0.5 |       0.6 |
+| deepseq             |        1.3 |       1.5 |
+| ghc-prim            |        0.3 |       0.6 |
+| hashable            |        1.2 |       1.3 |
+| mtl                 |        2.1 |       2.3 |
+| safe                |        0.3 |       0.4 |
+| stm                 |        2.4 |       2.5 |
+| text                |        1.2 |       1.3 |
+| transformers        |        0.4 |       0.6 |
+|                     |            |           |
 
 Structure
 ---------
diff --git a/protolude.cabal b/protolude.cabal
index 66853bcfb..8cee067c0 100644
--- a/protolude.cabal
+++ b/protolude.cabal
@@ -24,10 +24,9 @@ tested-with:
   GHC == 7.10.2,
   GHC == 7.10.3,
   GHC == 8.0.1,
-  GHC == 8.2.1
+  GHC == 8.2.1,
+  GHC == 8.4.1
 
-description:
-    A sensible set of defaults for writing custom Preludes.
 Source-Repository head
     type: git
     location: git@github.com:sdiehl/protolude.git
@@ -64,7 +63,7 @@ library
     -fwarn-implicit-prelude
 
   build-depends:       
-    base                >= 4.6  && <4.11,
+    base                >= 4.6  && <4.12,
     array               >= 0.4  && <0.6,
     ghc-prim            >= 0.3  && <0.6,
     async               >= 2.0  && <2.3,
diff --git a/stack-11.0.yaml b/stack-11.0.yaml
new file mode 100644
index 000000000..d487ddd51
--- /dev/null
+++ b/stack-11.0.yaml
@@ -0,0 +1,6 @@
+resolver: lts-11.0
+packages:
+- '.'
+extra-deps:
+flags: {}
+extra-package-dbs: []
diff --git a/test_stack_lts.sh b/test_stack_lts.sh
index d6f40cabf..69be9fdf0 100755
--- a/test_stack_lts.sh
+++ b/test_stack_lts.sh
@@ -15,3 +15,6 @@ STACK_YAML=stack-9.0.yaml  stack build  --no-terminal
 
 echo -e "\e[92mLTS 10.0"
 STACK_YAML=stack-10.0.yaml  stack build  --no-terminal
+
+echo -e "\e[92mLTS 11.0"
+STACK_YAML=stack-11.0.yaml  stack build  --no-terminal