diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d835398..22954c1 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,19 +12,19 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2.3.4
-      - uses: mrkkrp/ormolu-action@v1
+      - uses: mrkkrp/ormolu-action@v2
   build-linux:
     runs-on: ubuntu-latest
     needs: ormolu
     strategy:
       matrix:
-        cabal: ["3.2"]
-        ghc: ["8.6.5", "8.8.4", "8.10.3"]
+        cabal: ["3.4"]
+        ghc: ["8.8.4", "8.10.4", "9.0.1"]
     env:
       CONFIG: "--enable-tests --enable-benchmarks --flags=dev"
     steps:
       - uses: actions/checkout@v2.3.4
-      - uses: haskell/actions/setup@v1.1.5
+      - uses: haskell/actions/setup@v1.2
         id: setup-haskell-cabal
         with:
           ghc-version: ${{ matrix.ghc }}
@@ -49,13 +49,13 @@ jobs:
     needs: ormolu
     strategy:
       matrix:
-        cabal: ["3.2"]
-        ghc: ["8.10.3"] # with older GHC dependencies fail to build
+        cabal: ["3.4"]
+        ghc: ["8.10.4", "9.0.1"]
     env:
       CONFIG: "--enable-tests --enable-benchmarks --flags=dev"
     steps:
       - uses: actions/checkout@v2.3.4
-      - uses: haskell/actions/setup@v1.1.5
+      - uses: haskell/actions/setup@v1.2
         id: setup-haskell-cabal
         with:
           ghc-version: ${{ matrix.ghc }}
diff --git a/path-io.cabal b/path-io.cabal
index 934dd36..83e01d1 100644
--- a/path-io.cabal
+++ b/path-io.cabal
@@ -5,7 +5,7 @@ license:         BSD3
 license-file:    LICENSE.md
 maintainer:      Mark Karpov <markkarpov92@gmail.com>
 author:          Mark Karpov <markkarpov92@gmail.com>
-tested-with:     ghc ==8.6.5 ghc ==8.8.4 ghc ==8.10.3
+tested-with:     ghc ==8.8.4 ghc ==8.10.4 ghc ==9.0.1
 homepage:        https://github.com/mrkkrp/path-io
 bug-reports:     https://github.com/mrkkrp/path-io/issues
 synopsis:        Interface to ‘directory’ package for users of ‘path’
@@ -29,8 +29,8 @@ library
     exposed-modules:  Path.IO
     default-language: Haskell2010
     build-depends:
-        base >=4.12 && <5.0,
-        containers -any,
+        base >=4.13 && <5.0,
+        containers,
         directory >=1.3.2.0 && <1.4,
         dlist >=0.8 && <2.0,
         exceptions >=0.8 && <0.11,
@@ -39,7 +39,7 @@ library
         temporary >=1.1 && <1.4,
         time >=1.4 && <1.11,
         transformers >=0.3 && <0.6,
-        unix-compat -any
+        unix-compat
 
     if flag(dev)
         ghc-options: -Wall -Werror
@@ -58,15 +58,15 @@ test-suite tests
     hs-source-dirs:   tests
     default-language: Haskell2010
     build-depends:
-        base >=4.12 && <5.0,
+        base >=4.13 && <5.0,
         directory >=1.3.2.0 && <1.4,
         exceptions >=0.8 && <0.11,
         hspec >=2.0 && <3.0,
         filepath >=1.2 && <1.5,
         path >=0.6 && <0.9,
-        path-io -any,
+        path-io,
         transformers >=0.3 && <0.6,
-        unix-compat -any
+        unix-compat
 
     if flag(dev)
         ghc-options: -Wall -Werror