diff --git a/.github/workflows/githubpages.yaml b/.github/workflows/githubpages.yaml
index cfb55fe..e7cc2a6 100644
--- a/.github/workflows/githubpages.yaml
+++ b/.github/workflows/githubpages.yaml
@@ -13,7 +13,7 @@ jobs:
     timeout-minutes: 20
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -22,7 +22,7 @@ jobs:
         run: ./gradlew -Pversion=${{ github.event.release.tag_name }} dokkaHtml
 
       - name: Deploy to gh-pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./docs
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index c25b110..2758b01 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -25,29 +25,29 @@ jobs:
     timeout-minutes: 90
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Set up Java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: 11
 
       - name: assemble
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@v3
         with:
           arguments: assemble -Pversion=${{ inputs.version }}
 
       - name: Upload reports
         if: failure()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: 'reports-${{ matrix.os }}'
           path: '**/build/reports/**'
 
       - name: Publish final version
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@v3
         with:
           arguments: -Pversion=${{ inputs.version }}  publishToSonatype closeSonatypeStagingRepository
diff --git a/.github/workflows/pull_request.yaml b/.github/workflows/pull_request.yaml
index 17f20de..6b59d48 100644
--- a/.github/workflows/pull_request.yaml
+++ b/.github/workflows/pull_request.yaml
@@ -15,24 +15,24 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Set up Java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: 11
 
       - name: ios and watchos tests
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@v3
         with:
           arguments: iosSimulatorArm64Test iosX64Test watchosSimulatorArm64Test watchosX64Test watchosX86Test --parallel --scan
 
       - name: Upload reports
         if: failure()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: 'reports-ios_watchos'
           path: '**/build/reports/**'
@@ -42,24 +42,24 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Set up Java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: 11
 
       - name: macos and tvos tests
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@v3
         with:
           arguments: macosArm64Test macosX64Test tvosSimulatorArm64Test tvosX64Test  --parallel  --scan
 
       - name: Upload reports
         if: failure()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: 'reports-macos_tvos'
           path: '**/build/reports/**'
@@ -69,24 +69,24 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Set up Java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: 11
 
       - name: mingwX64Test
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@v3
         with:
           arguments: mingwX64Test  --scan
 
       - name: Upload reports
         if: failure()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: 'reports-windows'
           path: '**/build/reports/**'
@@ -96,24 +96,24 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Set up Java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: 11
 
       - name: build
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@v3
         with:
           arguments: build --scan
 
       - name: Upload reports
         if: failure()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: 'reports-jvmTest'
           path: '**/build/reports/**'
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index fb1052a..587fd52 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "1.8.22"
+kotlin = "2.0.0"
 arrow = "1.2.0-RC"
 arrow-config = "0.11.0"
 dokka = "1.8.20"