diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index aef50b2..da26f7e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,12 +15,12 @@ jobs:
 
     steps:
       - name: Checkout the repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
       - name: Set up Java
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           distribution: 'zulu'
           java-version: 11
diff --git a/.github/workflows/githubpages.yaml b/.github/workflows/githubpages.yaml
index 3b22832..f51ad5a 100644
--- a/.github/workflows/githubpages.yaml
+++ b/.github/workflows/githubpages.yaml
@@ -10,7 +10,7 @@ jobs:
     timeout-minutes: 20
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 5069111..3361b76 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -21,12 +21,12 @@ jobs:
     timeout-minutes: 30
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
       - name: Set up Java
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           distribution: 'zulu'
           java-version: 11
diff --git a/.github/workflows/pull_request.yaml b/.github/workflows/pull_request.yaml
index c1c0f11..86e2c8d 100644
--- a/.github/workflows/pull_request.yaml
+++ b/.github/workflows/pull_request.yaml
@@ -7,12 +7,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
       - name: Set up Java
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           distribution: 'zulu'
           java-version: 11
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e18bc25..2e11132 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.12.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/libs.versions.toml b/libs.versions.toml
index fff1e97..03e0eb9 100644
--- a/libs.versions.toml
+++ b/libs.versions.toml
@@ -10,7 +10,7 @@ kotlinx-json="1.8.0"
 kotlinx-knit="0.5.0"
 publish="0.30.0"
 knit="0.5.0"
-spotless="7.0.2"
+spotless="8.0.0"
 
 [libraries]
 arrow-optics = { module = "io.arrow-kt:arrow-optics", version.ref = "arrow" }