diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5380b645..6c13b411 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,15 +14,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up JDK
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           check-latest: true
           distribution: temurin
           java-version: ${{ matrix.java }}
       - name: Set up cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           cache-name: cache-maven-artifacts
         with:
@@ -43,9 +43,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           cache-name: cache-maven-artifacts
         with:
@@ -60,7 +60,7 @@ jobs:
       # Publish snapshot
       - name: Set up JDK 17 for publishing a snapshot
         if: github.event_name == 'push' && endswith(env.PROJECT_VERSION, 'SNAPSHOT')
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           check-latest: true
           distribution: temurin
@@ -77,7 +77,7 @@ jobs:
       # Publish release
       - name: Set up JDK 17 for publishing a release
         if: github.event_name == 'release' && !endswith(env.PROJECT_VERSION, 'SNAPSHOT')
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           check-latest: true
           distribution: temurin
diff --git a/dc-model/pom.xml b/dc-model/pom.xml
index 4b5a5595..1fdd09bb 100644
--- a/dc-model/pom.xml
+++ b/dc-model/pom.xml
@@ -41,7 +41,7 @@
     <dependency>
       <groupId>org.springframework.security</groupId>
       <artifactId>spring-security-core</artifactId>
-      <version>5.8.11</version>
+      <version>6.4.2</version>
     </dependency>
     <dependency>
       <groupId>org.wikidata.wdtk</groupId>