diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index 2a52b6b..632fb58 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ghc: ["8.10.7", "9.2.5"]
+        ghc: ["8.10.7", "9.2.5", "9.4.4"]
         cabal: ["3.8.1.0"]
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
diff --git a/diff-containers/diff-containers.cabal b/diff-containers/diff-containers.cabal
index 9aa95bd..387555d 100644
--- a/diff-containers/diff-containers.cabal
+++ b/diff-containers/diff-containers.cabal
@@ -12,7 +12,7 @@ author:              Joris Dral
 maintainer:          operations@iohk.io
 category:            Data Structures
 build-type:          Simple
-tested-with:         GHC == { 8.10.7, 9.2.5 }
+tested-with:         GHC == { 8.10.7, 9.2.5, 9.4.4 }
 
 
 library
diff --git a/fingertree-rm/fingertree-rm.cabal b/fingertree-rm/fingertree-rm.cabal
index d9b5350..e0f6b63 100644
--- a/fingertree-rm/fingertree-rm.cabal
+++ b/fingertree-rm/fingertree-rm.cabal
@@ -12,7 +12,7 @@ author:              Joris Dral
 maintainer:          operations@iohk.io
 category:            Data Structures
 build-type:          Simple
-tested-with:         GHC == { 8.10.7, 9.2.5 }
+tested-with:         GHC == { 8.10.7, 9.2.5, 9.4.4 }
 
 
 library
diff --git a/simple-semigroupoids/simple-semigroupoids.cabal b/simple-semigroupoids/simple-semigroupoids.cabal
index 164f9ab..89ea2e2 100644
--- a/simple-semigroupoids/simple-semigroupoids.cabal
+++ b/simple-semigroupoids/simple-semigroupoids.cabal
@@ -12,7 +12,7 @@ author:              Joris Dral
 maintainer:          operations@iohk.io
 category:            Control, Testing
 build-type:          Simple
-tested-with:         GHC == { 8.10.7, 9.2.5 }
+tested-with:         GHC == { 8.10.7, 9.2.5, 9.4.4 }
 
 library
   default-language:    Haskell2010