diff --git a/.github/workflows/release-dev.yaml b/.github/workflows/release-dev.yaml
index cb798c0..958a725 100644
--- a/.github/workflows/release-dev.yaml
+++ b/.github/workflows/release-dev.yaml
@@ -10,6 +10,12 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
+      - name: setup java 11
+        uses: actions/setup-java@v3
+        id: setup-java
+        with:
+          distribution: "temurin"
+          java-version: "11"
       - name: Gradle wrapper validation
         uses: gradle/wrapper-validation-action@v1.0.6
       - name: Setup gradle dependency cache
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0c72e1f..e5992fc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,6 +11,12 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
+      - name: setup java 11
+        uses: actions/setup-java@v3
+        id: setup-java
+        with:
+          distribution: "temurin"
+          java-version: "11"
       - name: Gradle wrapper validation
         uses: gradle/wrapper-validation-action@v1.0.6
       - name: Setup gradle dependency cache
diff --git a/build.gradle.kts b/build.gradle.kts
index 2473b94..94d8c0b 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -52,7 +52,7 @@ subprojects {
     }
 
     configure<JavaPluginConvention> {
-        sourceCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_11
     }
 
     ext["xjbOutputDir"] = file("$buildDir/generated-sources/jaxb2")
diff --git a/sykmelding-arbeidsgiver/src/main/xsd/sykmeldingArbeidsgiver.xsd b/sykmelding-arbeidsgiver/src/main/xsd/sykmeldingArbeidsgiver.xsd
index 247f309..af88606 100644
--- a/sykmelding-arbeidsgiver/src/main/xsd/sykmeldingArbeidsgiver.xsd
+++ b/sykmelding-arbeidsgiver/src/main/xsd/sykmeldingArbeidsgiver.xsd
@@ -225,12 +225,12 @@ Ikke overlappende perioder</xsd:documentation>
       </xsd:element>
     </xsd:choice>
   </xsd:complexType>
-  <xsd:complexType name="EgenMeldingsdager">
+  <xsd:complexType name="Egenmeldingsdager">
     <xsd:annotation>
       <xsd:documentation>egenmeldingsdager</xsd:documentation>
     </xsd:annotation>
     <xsd:sequence>
-      <xsd:element minOccurs="0" name="dager" type="Dager">
+      <xsd:element name="dager" type="Dager">
       </xsd:element>
     </xsd:sequence>
   </xsd:complexType>
@@ -286,7 +286,7 @@ Sammenhengende, ikke overlappende perioder for denne sykmeldingen.</xsd:document
       </xsd:element>
       <xsd:element name="kontaktMedPasient" type="sykmeldingArbeidsgiver:KontaktMedPasient"/>
       <xsd:element name="behandler" type="sykmeldingArbeidsgiver:Behandler"/>
-      <xsd:element name="egenmeldingsdager" type="sykmeldingArbeidsgiver:EgenMeldingsdager"/>
+      <xsd:element minOccurs="0" name="egenmeldingsdager" type="sykmeldingArbeidsgiver:Egenmeldingsdager"/>
     </xsd:sequence>
   </xsd:complexType>
   <xsd:element name="sykmeldingArbeidsgiver" type="sykmeldingArbeidsgiver:SykmeldingArbeidsgiver"/>