diff --git a/.travis.yml b/.travis.yml
index 3db6438..748581e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,48 +4,35 @@ language: haskell
 git:
   depth: 5
 
-cabal: "2.4"
-
 cache:
   directories:
   - "$HOME/.cabal/store"
   - "$HOME/.stack"
   - "$TRAVIS_BUILD_DIR/.stack-work"
 
-matrix:
+jobs:
   include:
-
-  # Cabal
+  - ghc: 8.6.5
+    env: SNAPSHOT="lts-14.22"
+  - ghc: 8.6.4
+    env: SNAPSHOT="lts-13.19"
+  - ghc: 8.6.3
+    env: SNAPSHOT="lts-13.11"
   - ghc: 8.4.4
-  - ghc: 8.6.5
-
-  # Stack
-  - ghc: 8.6.5
-    env: STACK_YAML="$TRAVIS_BUILD_DIR/stack.yaml"
+    env: SNAPSHOT="lts-12.26"
 
 install:
   - |
-    if [ -z "$STACK_YAML" ]; then
-      ghc --version
-      cabal --version
-      cabal new-update
-      cabal new-build --enable-tests --enable-benchmarks
-    else
-      # install stack
-      curl -sSL https://get.haskellstack.org/ | sh
+    # install stack
+    curl -sSL https://get.haskellstack.org/ | sh
 
-      # build project with stack
-      stack --version
-      stack build --system-ghc --test --bench --no-run-tests --no-run-benchmarks
-    fi
+    # build project with stack
+    stack --version
+    stack build --system-ghc --test --bench --no-run-tests --no-run-benchmarks --resolver=$SNAPSHOT
 
 script:
   - |
-    if [ -z "$STACK_YAML" ]; then
-      cabal new-test --enable-tests
-    else
-      stack test --system-ghc
-    fi
+    stack test --system-ghc
 
 notifications:
   email: false
diff --git a/ChangeLog.md b/ChangeLog.md
index 2e0bfe9..bc23d3c 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,11 @@
 # Revision history for validationt
 
+## 0.3.0
+
+* Added documentation.
+* Fixed `textErrors` behaviour.
+* Dropped `transformers-lift` dependency.
+
 ## 0.2.1.0
 
 * GHC 8.4 support
diff --git a/test/Doc.hs b/test/Doc.hs
index 4efb7ee..3e5fba2 100644
--- a/test/Doc.hs
+++ b/test/Doc.hs
@@ -3,4 +3,4 @@ module Main (main) where
 import Test.DocTest
 
 main :: IO ()
-main = doctest [ "-XOverloadedStrings", "src" ]
+main = doctest [ "-XOverloadedStrings", "-isrc", "src" ]
diff --git a/validationt.cabal b/validationt.cabal
index 78cce4f..21fbe1f 100644
--- a/validationt.cabal
+++ b/validationt.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                validationt
-version:             0.2.1.0
+version:             0.3.0
 synopsis:            Straightforward validation monad.
 description:         Convenient solution for validating web forms and APIs.
 homepage:            https://github.com/typeable/validationt
@@ -50,21 +50,12 @@ library
                        -Wmissing-export-lists
 
 test-suite doctest
+  default-language: Haskell2010
   type: exitcode-stdio-1.0
   hs-source-dirs: test
   ghc-options: -Wall
   main-is: Doc.hs
-  build-depends:       base >=4.8 && < 5
-                     , aeson >= 1.0
-                     , doctest
-                     , containers
-                     , exceptions
-                     , lens
-                     , monad-control
-                     , mtl
-                     , QuickCheck
-                     , text
-                     , transformers
-                     , transformers-base
-                     , vector
-                     , doctest
+  build-depends:
+      base >= 4.10.0.0
+    , doctest >= 0.11.4
+    , validationt