diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 44e8830..6a2d715 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v6
       with:
         # We must fetch at least the immediate parents so that if this is a pull request then we can checkout the head.
         fetch-depth: 2
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 88ae06a..c5cf9e5 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -11,16 +11,16 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Set up JDK
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v5
         with:
           distribution: 'adopt'
           java-version: '21'
       - name: Cache Gradle packages
-        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 8d2ef4a..a959f4e 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -15,9 +15,9 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
       - name: Set up JDK
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v5
         with:
           distribution: 'adopt'
           java-version: '21'
diff --git a/build.gradle b/build.gradle
index 5740e1f..3167cda 100644
--- a/build.gradle
+++ b/build.gradle
@@ -40,8 +40,8 @@ dependencies {
     api 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.21.1'
 
     // retrofit will not update these dependencies to fix vulnerabilities
-    api 'com.squareup.okhttp3:okhttp:4.12.0'
-    api 'com.squareup.okio:okio:3.16.4'
+    api 'com.squareup.okhttp3:okhttp:5.3.2'
+    api 'com.squareup.okio:okio:3.17.0'
 
     testImplementation platform('org.junit:junit-bom:5.12.2')
     testImplementation 'org.junit.jupiter:junit-jupiter-api'