diff --git a/.travis.yml b/.travis.yml
index ff561d4..6cdadaa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,9 +2,13 @@
 #
 #   haskell-ci '--config=cabal.haskell-ci' 'servant-quickcheck.cabal'
 #
+# To regenerate the script (for example after adjusting tested-with) run
+#
+#   haskell-ci regenerate
+#
 # For more information, see https://github.com/haskell-CI/haskell-ci
 #
-# version: 0.9.20200121
+# version: 0.10.1
 #
 version: ~> 1.0
 language: c
@@ -32,20 +36,20 @@ before_cache:
   - rm -rfv $CABALHOME/packages/head.hackage
 jobs:
   include:
-    - compiler: ghc-8.8.1
-      addons: {"apt":{"sources":[{"sourceline":"deb http://ppa.launchpad.net/hvr/ghc/ubuntu xenial main","key_url":"https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x063dab2bdc0b3f9fcebc378bff3aeacef6f88286"}],"packages":["ghc-8.8.1","cabal-install-3.0"]}}
+    - compiler: ghc-8.8.3
+      addons: {"apt":{"sources":[{"sourceline":"deb http://ppa.launchpad.net/hvr/ghc/ubuntu xenial main","key_url":"https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x063dab2bdc0b3f9fcebc378bff3aeacef6f88286"}],"packages":["ghc-8.8.3","cabal-install-3.2"]}}
       os: linux
     - compiler: ghc-8.6.5
-      addons: {"apt":{"sources":[{"sourceline":"deb http://ppa.launchpad.net/hvr/ghc/ubuntu xenial main","key_url":"https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x063dab2bdc0b3f9fcebc378bff3aeacef6f88286"}],"packages":["ghc-8.6.5","cabal-install-3.0"]}}
+      addons: {"apt":{"sources":[{"sourceline":"deb http://ppa.launchpad.net/hvr/ghc/ubuntu xenial main","key_url":"https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x063dab2bdc0b3f9fcebc378bff3aeacef6f88286"}],"packages":["ghc-8.6.5","cabal-install-3.2"]}}
       os: linux
     - compiler: ghc-8.4.4
-      addons: {"apt":{"sources":[{"sourceline":"deb http://ppa.launchpad.net/hvr/ghc/ubuntu xenial main","key_url":"https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x063dab2bdc0b3f9fcebc378bff3aeacef6f88286"}],"packages":["ghc-8.4.4","cabal-install-3.0"]}}
+      addons: {"apt":{"sources":[{"sourceline":"deb http://ppa.launchpad.net/hvr/ghc/ubuntu xenial main","key_url":"https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x063dab2bdc0b3f9fcebc378bff3aeacef6f88286"}],"packages":["ghc-8.4.4","cabal-install-3.2"]}}
       os: linux
     - compiler: ghc-8.2.2
-      addons: {"apt":{"sources":[{"sourceline":"deb http://ppa.launchpad.net/hvr/ghc/ubuntu xenial main","key_url":"https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x063dab2bdc0b3f9fcebc378bff3aeacef6f88286"}],"packages":["ghc-8.2.2","cabal-install-3.0"]}}
+      addons: {"apt":{"sources":[{"sourceline":"deb http://ppa.launchpad.net/hvr/ghc/ubuntu xenial main","key_url":"https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x063dab2bdc0b3f9fcebc378bff3aeacef6f88286"}],"packages":["ghc-8.2.2","cabal-install-3.2"]}}
       os: linux
     - compiler: ghc-8.0.2
-      addons: {"apt":{"sources":[{"sourceline":"deb http://ppa.launchpad.net/hvr/ghc/ubuntu xenial main","key_url":"https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x063dab2bdc0b3f9fcebc378bff3aeacef6f88286"}],"packages":["ghc-8.0.2","cabal-install-3.0"]}}
+      addons: {"apt":{"sources":[{"sourceline":"deb http://ppa.launchpad.net/hvr/ghc/ubuntu xenial main","key_url":"https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x063dab2bdc0b3f9fcebc378bff3aeacef6f88286"}],"packages":["ghc-8.0.2","cabal-install-3.2"]}}
       os: linux
 before_install:
   - HC=$(echo "/opt/$CC/bin/ghc" | sed 's/-/\//')
@@ -95,6 +99,8 @@ install:
   - touch cabal.project
   - |
     echo "packages: ." >> cabal.project
+  - if [ $HCNUMVER -ge 80200 ] ; then echo 'package servant-quickcheck' >> cabal.project ; fi
+  - "if [ $HCNUMVER -ge 80200 ] ; then echo '  ghc-options: -Werror=missing-methods' >> cabal.project ; fi"
   - |
   - "for pkg in $($HCPKG list --simple-output); do echo $pkg | sed 's/-[^-]*$//' | (grep -vE -- '^(servant-quickcheck)$' || true) | sed 's/^/constraints: /' | sed 's/$/ installed/' >> cabal.project.local; done"
   - cat cabal.project || true
@@ -103,8 +109,8 @@ install:
   - ${CABAL} v2-freeze $WITHCOMPILER ${TEST} ${BENCH}
   - "cat cabal.project.freeze | sed -E 's/^(constraints: *| *)//' | sed 's/any.//'"
   - rm  cabal.project.freeze
-  - ${CABAL} v2-build $WITHCOMPILER ${TEST} ${BENCH} --dep -j2 all
-  - ${CABAL} v2-build $WITHCOMPILER --disable-tests --disable-benchmarks --dep -j2 all
+  - travis_wait 40 ${CABAL} v2-build $WITHCOMPILER ${TEST} ${BENCH} --dep -j2 all
+  - travis_wait 40 ${CABAL} v2-build $WITHCOMPILER --disable-tests --disable-benchmarks --dep -j2 all
 script:
   - DISTDIR=$(mktemp -d /tmp/dist-test.XXXX)
   # Packaging...
@@ -120,6 +126,8 @@ script:
   - touch cabal.project
   - |
     echo "packages: ${PKGDIR_servant_quickcheck}" >> cabal.project
+  - if [ $HCNUMVER -ge 80200 ] ; then echo 'package servant-quickcheck' >> cabal.project ; fi
+  - "if [ $HCNUMVER -ge 80200 ] ; then echo '  ghc-options: -Werror=missing-methods' >> cabal.project ; fi"
   - |
   - "for pkg in $($HCPKG list --simple-output); do echo $pkg | sed 's/-[^-]*$//' | (grep -vE -- '^(servant-quickcheck)$' || true) | sed 's/^/constraints: /' | sed 's/$/ installed/' >> cabal.project.local; done"
   - cat cabal.project || true
@@ -146,5 +154,5 @@ script:
   # Constraint set base-compat-0.11
   - ${CABAL} v2-build $WITHCOMPILER --disable-tests --disable-benchmarks --constraint='base-compat ==0.11.*' all
 
-# REGENDATA ("0.9.20200121",["--config=cabal.haskell-ci","servant-quickcheck.cabal"])
+# REGENDATA ("0.10.1",["--config=cabal.haskell-ci","servant-quickcheck.cabal"])
 # EOF
diff --git a/cabal.project b/cabal.project
index b0a523c..7713844 100644
--- a/cabal.project
+++ b/cabal.project
@@ -1,2 +1,4 @@
 packages: .
 tests: true
+
+allow-newer: servant-blaze:servant
diff --git a/servant-quickcheck.cabal b/servant-quickcheck.cabal
index d5ea6e3..dd6e1aa 100644
--- a/servant-quickcheck.cabal
+++ b/servant-quickcheck.cabal
@@ -13,7 +13,7 @@ category:           Web
 build-type:         Simple
 cabal-version:      >=1.10
 extra-source-files: CHANGELOG.yaml
-tested-with:        GHC ==8.0.2 || ==8.2.2 || ==8.4.4 || ==8.6.5 || == 8.8.1
+tested-with:        GHC ==8.0.2 || ==8.2.2 || ==8.4.4 || ==8.6.5 || == 8.8.3
 
 source-repository head
   type:     git
@@ -49,9 +49,9 @@ library
     , pretty                 >=1.1    && <1.2
     , process                >=1.2    && <1.7
     , QuickCheck             >=2.7    && <2.15
-    , servant                >=0.17   && <0.18
-    , servant-client         >=0.17   && <0.18
-    , servant-server         >=0.17   && <0.18
+    , servant                >=0.17   && <0.19
+    , servant-client         >=0.17   && <0.19
+    , servant-server         >=0.17   && <0.19
     , split                  >=0.2    && <0.3
     , string-conversions     >=0.3    && <0.5
     , temporary              >=1.2    && <1.4
diff --git a/src/Servant/QuickCheck/Internal/QuickCheck.hs b/src/Servant/QuickCheck/Internal/QuickCheck.hs
index 2a1b678..2f3e0c0 100644
--- a/src/Servant/QuickCheck/Internal/QuickCheck.hs
+++ b/src/Servant/QuickCheck/Internal/QuickCheck.hs
@@ -11,6 +11,9 @@ import           Network.Wai.Handler.Warp (withApplication)
 import           Prelude.Compat
 import           Servant                  (Context (EmptyContext), HasServer,
                                            Server, serveWithContext)
+#if MIN_VERSION_servant_server(0,18,0)
+import           Servant                  (DefaultErrorFormatters, ErrorFormatters, HasContextEntry, type (.++))
+#endif
 import           Servant.Client           (BaseUrl (..), Scheme (..))
 import           System.IO.Unsafe         (unsafePerformIO)
 import           Test.Hspec               (Expectation, expectationFailure)
@@ -37,7 +40,11 @@ withServantServer api = withServantServerAndContext api EmptyContext
 -- application.
 --
 -- /Since 0.0.0.0/
+#if MIN_VERSION_servant_server(0,18,0)
+withServantServerAndContext :: (HasServer a ctx, HasContextEntry (ctx .++ DefaultErrorFormatters) ErrorFormatters)
+#else
 withServantServerAndContext :: HasServer a ctx
+#endif
   => Proxy a -> Context ctx -> IO (Server a) -> (BaseUrl -> IO r) -> IO r
 withServantServerAndContext api ctx server t
   = withApplication (return . serveWithContext api ctx =<< server) $ \port ->