diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000..0d4979e
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,82 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ "main" ]
+  schedule:
+    - cron: '43 14 * * 6'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v2
+      with:
+        languages: java
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+
+        # Details on CodeQL's query packs refer to : https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
+        # queries: security-extended,security-and-quality
+
+    - uses: actions/setup-java@v3
+      with:
+        java-version: '16'
+        distribution: 'temurin'
+        cache: gradle
+    - name: Validate Gradle wrapper
+      uses: gradle/wrapper-validation-action@v1.0.6
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, Go, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v2
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
+
+    #   If the Autobuild fails above, remove it and uncomment the following three lines.
+    #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.
+
+    # - uses: actions/setup-java@v3
+    #   with:
+    #     java-version: '16'
+    #     distribution: 'temurin'
+    #     cache: gradle
+    # - name: Validate Gradle wrapper
+    #   uses: gradle/wrapper-validation-action@v1.0.6
+    # - name: Build with Gradle
+    #   uses: gradle/gradle-build-action
+    #   with:
+    #     arguments: build
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v2
+      with:
+        category: "/language:java"
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 619bfbf..5066705 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,8 +7,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-java@v2
+      - uses: actions/setup-java@v3
         with:
           java-version: '16'
           distribution: 'temurin'
           cache: gradle
+      - name: Validate Gradle wrapper
+        uses: gradle/wrapper-validation-action
+          
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
index 2e757cd..bc22eeb 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -31,6 +31,9 @@ dependencies {
 }
 
 java {
+    sourceCompatibility = JavaVersion.VERSION_16
+    targetCompatibility = JavaVersion.VERSION_16
+
     withSourcesJar()
     withJavadocJar()
 }