diff --git a/.circleci/config.yml b/.circleci/config.yml
index 999b2a32..7de92723 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,7 +7,7 @@ jobs:
   build:
     docker:
       # specify the version you desire here
-      - image: cimg/openjdk:8.0
+      - image: cimg/openjdk:11.0
 
       # Specify service dependencies here if necessary
       # CircleCI maintains a library of pre-built images
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 54af1315..3c8ab167 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -47,10 +47,10 @@ jobs:
         # Prefix the list here with "+" to use these queries and those in the config file.
         # queries: ./path/to/local/query, your-org/your-repo/queries@main
 
-    - name: Set up JDK 1.8
+    - name: Set up JDK 11
       uses: actions/setup-java@v3
       with:
-        java-version: '8'
+        java-version: '11'
         distribution: 'zulu'
 
     - name: Grant execute permission for gradlew
diff --git a/.github/workflows/dependencyCheck.yml b/.github/workflows/dependencyCheck.yml
index 7815aac3..8c5f5a0a 100644
--- a/.github/workflows/dependencyCheck.yml
+++ b/.github/workflows/dependencyCheck.yml
@@ -14,10 +14,10 @@ jobs:
       - name: Get Fetch Tags
         run: git -c protocol.version=2 fetch --tags --progress --no-recurse-submodules origin
         if: "!contains(github.ref, 'refs/tags')"
-      - name: Set up JDK 1.8
+      - name: Set up JDK 11
         uses: actions/setup-java@v3
         with:
-          java-version: '8'
+          java-version: '11
           distribution: 'zulu'
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 16464f75..6f88a2f4 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -13,10 +13,10 @@ jobs:
     - name: Get Fetch Tags
       run: git -c protocol.version=2 fetch --tags --progress --no-recurse-submodules origin
       if: "!contains(github.ref, 'refs/tags')"
-    - name: Set up JDK 1.8
+    - name: Set up JDK 11
       uses: actions/setup-java@v3
       with:
-        java-version: '8'
+        java-version: '11'
         distribution: 'zulu'
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
@@ -61,10 +61,10 @@ jobs:
     - name: Get Fetch Tags
       run: git -c protocol.version=2 fetch --tags --progress --no-recurse-submodules origin
       if: "!contains(github.ref, 'refs/tags')"
-    - name: Set up JDK 1.8
+    - name: Set up JDK 11
       uses: actions/setup-java@v3
       with:
-        java-version: '8'
+        java-version: '11'
         distribution: 'zulu'
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index da468e08..18e1996a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,10 +14,10 @@ jobs:
         with:
           fetch-depth: 0
           submodules: true
-      - name: Set up JDK 1.8
+      - name: Set up JDK 11
         uses: actions/setup-java@v3
         with:
-          java-version: '8'
+          java-version: '11'
           distribution: 'zulu'
       - name: Build with Gradle
         run: ./gradlew build
diff --git a/.github/workflows/test-signing.yml b/.github/workflows/test-signing.yml
index 8c0a48a4..faa266dd 100644
--- a/.github/workflows/test-signing.yml
+++ b/.github/workflows/test-signing.yml
@@ -11,10 +11,10 @@ jobs:
         with:
           fetch-depth: 0
           submodules: true
-      - name: Set up JDK 1.8
+      - name: Set up JDK 11
         uses: actions/setup-java@v3
         with:
-          java-version: '8'
+          java-version: '11'
           distribution: 'zulu'
       - name: Build with Gradle
         run: ./gradlew build