diff --git a/.circleci/config.yml b/.circleci/config.yml
index 47f7a2c..c63a062 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -26,6 +26,12 @@ 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"}
 
+      - haskell/build-with-binary-cache:
+          name: GHC 8.8.1
+          executor: haskell/ghc-8_8_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"}
+
       - github/release-cabal:
           name: GitHub Release
           context: haskell-ci
@@ -33,6 +39,7 @@ workflows:
             - GHC 8.2.2
             - GHC 8.4.4
             - GHC 8.6.5
+            - GHC 8.8.1
           checkout: true
           filters:
             branches:
diff --git a/hw-simd.cabal b/hw-simd.cabal
index b96f6a9..bf0077d 100644
--- a/hw-simd.cabal
+++ b/hw-simd.cabal
@@ -11,7 +11,7 @@ maintainer:     newhoggy@gmail.com
 copyright:      2018-2019 John Ky
 license:        BSD-3-Clause
 license-file:   LICENSE
-tested-with:    GHC == 8.6.5, GHC == 8.4.4, GHC == 8.2.2
+tested-with:    GHC == 8.8.1, GHC == 8.6.5, GHC == 8.4.4, GHC == 8.2.2
 build-type:     Simple
 extra-source-files:
     README.md