diff --git a/.circleci/config.yml b/.circleci/config.yml
index 27f453a..254dcf1 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -15,7 +15,7 @@ workflows:
           context: haskell-ci
           binary-cache-uri: ${BINARY_CACHE_URI-"http://hw-binary-cache-us-west-2-a.s3-website-us-west-2.amazonaws.com/archive"}
           cabal-build-extra: --write-ghc-environment-files=ghc8.4.4+
-          cabal-test-extra: --test-show-details=direct
+          cabal-test-extra: --test-show-details=direct --test-options='+RTS -g1'
 
       - haskell/build-with-binary-cache:
           name: GHC 8.6.5
@@ -23,7 +23,7 @@ workflows:
           context: haskell-ci
           binary-cache-uri: ${BINARY_CACHE_URI-"http://hw-binary-cache-us-west-2-a.s3-website-us-west-2.amazonaws.com/archive"}
           cabal-build-extra: --write-ghc-environment-files=ghc8.4.4+
-          cabal-test-extra: --test-show-details=direct
+          cabal-test-extra: --test-show-details=direct --test-options='+RTS -g1'
 
       - haskell/build-with-binary-cache:
           name: GHC 8.8.3
@@ -31,7 +31,15 @@ workflows:
           context: haskell-ci
           binary-cache-uri: ${BINARY_CACHE_URI-"http://hw-binary-cache-us-west-2-a.s3-website-us-west-2.amazonaws.com/archive"}
           cabal-build-extra: --write-ghc-environment-files=ghc8.4.4+
-          cabal-test-extra: --test-show-details=direct
+          cabal-test-extra: --test-show-details=direct --test-options='+RTS -g1'
+
+      - haskell/build-with-binary-cache:
+          name: GHC 8.10.1
+          executor: haskell/ghc-8_10_1
+          context: haskell-ci
+          binary-cache-uri: ${BINARY_CACHE_URI-"http://hw-binary-cache-us-west-2-a.s3-website-us-west-2.amazonaws.com/archive"}
+          cabal-build-extra: --write-ghc-environment-files=ghc8.4.4+
+          cabal-test-extra: --test-show-details=direct --test-options='+RTS -g1'
 
       - merge-point/merge-point:
           name: Build Ok
@@ -39,6 +47,7 @@ workflows:
             - GHC 8.4.4
             - GHC 8.6.5
             - GHC 8.8.3
+            - GHC 8.10.1
 
       - github/release-cabal:
           name: GitHub Release
diff --git a/hw-all.cabal b/hw-all.cabal
index e4b4e9d..a3adf90 100644
--- a/hw-all.cabal
+++ b/hw-all.cabal
@@ -11,7 +11,7 @@ author:                 John Ky
 maintainer:             newhoggy@gmail.com
 copyright:              2016-2020 John Ky
 category:               Data, Conduit
-tested-with:            GHC == 8.8.3, GHC == 8.6.5, GHC == 8.4.4
+tested-with:            GHC == 8.10.1, GHC == 8.8.3, GHC == 8.6.5, GHC == 8.4.4
 build-type:             Simple
 extra-source-files:     README.md
 
diff --git a/project.sh b/project.sh
new file mode 100755
index 0000000..d3cf215
--- /dev/null
+++ b/project.sh
@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+
+CABAL_FLAGS="-j8"
+
+cmd="$1"
+
+shift
+
+cabal-install() {
+  cabal v2-install \
+    -j8 \
+    --installdir="$HOME/.local/bin" \
+    --overwrite-policy=always \
+    --disable-documentation \
+    $CABAL_FLAGS "$@"
+}
+
+cabal-build() {
+  cabal v2-build \
+    --enable-tests \
+    --write-ghc-environment-files=ghc8.4.4+ \
+    $CABAL_FLAGS "$@"
+}
+
+cabal-test() {
+  cabal v2-test \
+    --enable-tests \
+    --test-show-details=direct \
+    --test-options='+RTS -g1' \
+    $CABAL_FLAGS "$@"
+}
+
+cabal-exec() {
+  cabal v2-exec "$(echo *.cabal | cut -d . -f 1)" "$@"
+}
+
+cabal-bench() {
+  cabal v2-bench -j8 \
+    $CABAL_FLAGS "$@"
+}
+
+cabal-repl() {
+  cabal v2-repl \
+    $CABAL_FLAGS "$@"
+}
+
+cabal-clean() {
+  cabal v2-clean
+}
+
+case "$cmd" in
+  install)
+    cabal-install
+    ;;
+
+  build)
+    cabal-build
+    ;;
+
+  exec)
+    cabal-exec
+    ;;
+
+  test)
+    cabal-build
+    cabal-test
+    ;;
+
+  bench)
+    cabal-bench
+    ;;
+
+  repl)
+    cabal-repl
+    ;;
+
+  clean)
+    cabal-clean
+    ;;
+
+  *)
+    echo "Unrecognised command: $cmd"
+    exit 1
+esac