diff --git a/.github/workflows/build-pr.yml b/.github/workflows/build-pr.yml
index 9b5a5d86..7c091896 100644
--- a/.github/workflows/build-pr.yml
+++ b/.github/workflows/build-pr.yml
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '17'
+          java-version: '21'
           cache: 'maven'
       - name: Build
         run: mvn verify --settings .github/settings.xml -DtrimStackTrace=false
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 317a870c..d5d84970 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '17'
+          java-version: '21'
           cache: 'maven'
       - name: Build & Deploy
         run: |
diff --git a/.github/workflows/release-kontrakt.yml b/.github/workflows/release-kontrakt.yml
index a799d28b..1d0727c1 100644
--- a/.github/workflows/release-kontrakt.yml
+++ b/.github/workflows/release-kontrakt.yml
@@ -14,7 +14,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '17'
+          java-version: '21'
           cache: 'maven'
       - name: Verify
         shell: bash
diff --git a/pom.xml b/pom.xml
index 3cff15cd..ff3b725c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
         <revision>9.0.0</revision>
         <sha1></sha1>
         <changelist>-SNAPSHOT</changelist>
-        <java.version>17</java.version>
+        <java.version>21</java.version>
         <junit.version>5.11.4</junit.version>
 
         <maven.compiler.source>${java.version}</maven.compiler.source>
@@ -120,7 +120,7 @@
             <dependency>
                 <groupId>no.nav.fpsak.tidsserie</groupId>
                 <artifactId>fpsak-tidsserie</artifactId>
-                <version>2.6.8</version>
+                <version>2.7.1</version>
             </dependency>
         </dependencies>
     </dependencyManagement>