diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 38b15f4..46e4ed4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
           os: [ ubuntu-latest, macos-26 ]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
         # Compose Multiplatform 1.11.x links against the iOS 26 SDK
         # (e.g. UIViewLayoutRegion / UIUtilities), so the iOS targets require
         # Xcode 26 to link. Without this the build fails with
@@ -37,7 +37,7 @@ jobs:
           distribution: temurin
           java-version: 17
       - name: Cache Gradle
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.gradle/caches
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index d585f86..fdb241e 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -28,13 +28,13 @@ jobs:
     env:
       CODEQL_EXTRACTOR_KOTLIN_OVERRIDE_MAXIMUM_VERSION_CHECK: true
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/setup-java@v5
         with:
           distribution: 'temurin'
           java-version: '17'
           cache: 'gradle'
-      - uses: github/codeql-action/init@v3
+      - uses: github/codeql-action/init@v4
         with:
           languages: 'java-kotlin'
       # CodeQL's Kotlin extractor traces a real Kotlin/JVM compilation. The
@@ -58,7 +58,7 @@ jobs:
             --no-daemon --no-build-cache --rerun-tasks
             -Pkotlin.compiler.execution.strategy=in-process
             --stacktrace
-      - uses: github/codeql-action/analyze@v3
+      - uses: github/codeql-action/analyze@v4
 
   analyze-swift:
     name: Analyze (Swift)
@@ -72,15 +72,15 @@ jobs:
       contents: read
       security-events: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       -   name: Select Xcode 26
           uses: maxim-lobanov/setup-xcode@v1
           with:
             xcode-version: latest-stable
-      - uses: github/codeql-action/init@v3
+      - uses: github/codeql-action/init@v4
         with:
           languages: 'swift'
       # Custom build steps for Swift (explicit xcodebuild)
       - name: Build iOS app for simulator (no code signing)
         run: xcodebuild -project iosApp/iosApp.xcodeproj -scheme iosApp -sdk iphonesimulator -configuration Release CODE_SIGNING_ALLOWED=NO build
-      - uses: github/codeql-action/analyze@v3
+      - uses: github/codeql-action/analyze@v4
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 8844d98..2dbe8e2 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -18,14 +18,14 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Set up JDK 17
         uses: actions/setup-java@v5
         with:
           distribution: temurin
           java-version: 17
       - name: Cache Gradle
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.gradle/caches
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 409e160..373cc15 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -18,7 +18,7 @@ jobs:
   publish:
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
 
       - name: Set up JDK
         uses: actions/setup-java@v5
@@ -27,10 +27,10 @@ jobs:
           java-version: '17'
 
       - name: Set up Gradle
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@v6
 
       - name: Cache Kotlin/Native (konan)
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.konan
           key: ${{ runner.os }}-konan-${{ hashFiles('**/gradle/libs.versions.toml', '**/gradle-wrapper.properties') }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index acadd1a..9bda9a6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -34,7 +34,7 @@ jobs:
         os: [ ubuntu-latest, macos-26 ]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Select Xcode 26
         if: runner.os == 'macOS'
         uses: maxim-lobanov/setup-xcode@v1
@@ -46,7 +46,7 @@ jobs:
           distribution: temurin
           java-version: 17
       - name: Cache Gradle
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.gradle/caches
@@ -85,13 +85,13 @@ jobs:
     env:
       CODEQL_EXTRACTOR_KOTLIN_OVERRIDE_MAXIMUM_VERSION_CHECK: true
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/setup-java@v5
         with:
           distribution: 'temurin'
           java-version: '17'
           cache: 'gradle'
-      - uses: github/codeql-action/init@v3
+      - uses: github/codeql-action/init@v4
         with:
           languages: 'java-kotlin'
       - name: Build Kotlin (Android target, JVM bytecode)
@@ -100,7 +100,7 @@ jobs:
           --no-daemon --no-build-cache --rerun-tasks
           -Pkotlin.compiler.execution.strategy=in-process
           --stacktrace
-      - uses: github/codeql-action/analyze@v3
+      - uses: github/codeql-action/analyze@v4
 
   # ---------------------------------------------------------------------------
   # Check 3: CodeQL (Swift)
@@ -117,17 +117,17 @@ jobs:
       contents: read
       security-events: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Select Xcode 26
         uses: maxim-lobanov/setup-xcode@v1
         with:
           xcode-version: latest-stable
-      - uses: github/codeql-action/init@v3
+      - uses: github/codeql-action/init@v4
         with:
           languages: 'swift'
       - name: Build iOS app for simulator (no code signing)
         run: xcodebuild -project iosApp/iosApp.xcodeproj -scheme iosApp -sdk iphonesimulator -configuration Release CODE_SIGNING_ALLOWED=NO build
-      - uses: github/codeql-action/analyze@v3
+      - uses: github/codeql-action/analyze@v4
 
   # ---------------------------------------------------------------------------
   # Publish: runs only after every check above passes
@@ -139,7 +139,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
           token: ${{ secrets.GITHUB_TOKEN }}
@@ -153,9 +153,9 @@ jobs:
           distribution: temurin
           java-version: 17
       - name: Set up Gradle
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@v6
       - name: Cache Kotlin/Native (konan)
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.konan
           key: ${{ runner.os }}-konan-${{ hashFiles('**/gradle/libs.versions.toml', '**/gradle-wrapper.properties') }}
@@ -213,7 +213,7 @@ jobs:
           cd pollingengine/build/dokka/html
           zip -r ../dokka-html.zip .
       - name: Create GitHub Release
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@v3
         with:
           tag_name: v${{ steps.ver.outputs.next }}
           files: |