diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
new file mode 100644
index 0000000..06bd6a3
--- /dev/null
+++ b/.github/workflows/security.yml
@@ -0,0 +1,32 @@
+name: Slither Analysis
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  analyze:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      security-events: write
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Run Slither
+      uses: crytic/slither-action@v0.3.0
+      id: slither
+      with:
+        target: 'contracts/'
+        node-version: 16
+        sarif: results.sarif
+        fail-on: none
+
+    - name: Upload SARIF file
+      uses: github/codeql-action/upload-sarif@v2
+      with:
+        sarif_file: ${{ steps.slither.outputs.sarif }}
diff --git a/package-lock.json b/package-lock.json
index 6ecca31..198d045 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
-        "@openzeppelin/contracts": "^4.9.0",
+        "@openzeppelin/contracts": "^4.9.3",
         "@openzeppelin/contracts-upgradeable": "^4.9.0",
         "@openzeppelin/hardhat-upgrades": "^1.27.0"
       },
@@ -1623,9 +1623,9 @@
       }
     },
     "node_modules/@openzeppelin/contracts": {
-      "version": "4.9.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.9.0.tgz",
-      "integrity": "sha512-DUP74AFGKlic2sQb/CmgrN2aUPMFGxRrmCTUxLHsiU2RzwWqVuMPZBxiAyvlff6Pea77uylAX6B5x9W6evEbhA=="
+      "version": "4.9.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.9.3.tgz",
+      "integrity": "sha512-He3LieZ1pP2TNt5JbkPA4PNT9WC3gOTOlDcFGJW4Le4QKqwmiNJCRt44APfxMxvq7OugU/cqYuPcSBzOw38DAg=="
     },
     "node_modules/@openzeppelin/contracts-upgradeable": {
       "version": "4.9.0",
@@ -10555,9 +10555,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "4.9.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.9.0.tgz",
-      "integrity": "sha512-DUP74AFGKlic2sQb/CmgrN2aUPMFGxRrmCTUxLHsiU2RzwWqVuMPZBxiAyvlff6Pea77uylAX6B5x9W6evEbhA=="
+      "version": "4.9.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.9.3.tgz",
+      "integrity": "sha512-He3LieZ1pP2TNt5JbkPA4PNT9WC3gOTOlDcFGJW4Le4QKqwmiNJCRt44APfxMxvq7OugU/cqYuPcSBzOw38DAg=="
     },
     "@openzeppelin/contracts-upgradeable": {
       "version": "4.9.0",
diff --git a/package.json b/package.json
index 9fc6cc5..9565dec 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "hardhat": "^2.14.0"
   },
   "dependencies": {
-    "@openzeppelin/contracts": "^4.9.0",
+    "@openzeppelin/contracts": "^4.9.3",
     "@openzeppelin/contracts-upgradeable": "^4.9.0",
     "@openzeppelin/hardhat-upgrades": "^1.27.0"
   }