diff --git a/package-lock.json b/package-lock.json
index f09ce9b..b4e5418 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@digicatapult/dscp-ipfs",
-  "version": "2.9.5",
+  "version": "2.9.6",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@digicatapult/dscp-ipfs",
-      "version": "2.9.5",
+      "version": "2.9.6",
       "license": "Apache-2.0",
       "dependencies": {
         "@polkadot/api": "^9.14.2",
@@ -34,7 +34,7 @@
         "nyc": "^15.1.0",
         "pino-colada": "^2.2.2",
         "prettier": "^2.8.4",
-        "sinon": "^15.0.1"
+        "sinon": "^15.0.2"
       },
       "engines": {
         "node": ">=18.x.x",
@@ -6468,16 +6468,16 @@
       }
     },
     "node_modules/sinon": {
-      "version": "15.0.1",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-15.0.1.tgz",
-      "integrity": "sha512-PZXKc08f/wcA/BMRGBze2Wmw50CWPiAH3E21EOi4B49vJ616vW4DQh4fQrqsYox2aNR/N3kCqLuB0PwwOucQrg==",
+      "version": "15.0.2",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-15.0.2.tgz",
+      "integrity": "sha512-PCVP63XZkg0/LOqQH5rEU4LILuvTFMb5tNxTHfs6VUMNnZz2XrnGSTZbAGITjzwQWbl/Bl/8hi4G3zZWjyBwHg==",
       "dev": true,
       "dependencies": {
-        "@sinonjs/commons": "^2.0.0",
-        "@sinonjs/fake-timers": "10.0.2",
+        "@sinonjs/commons": "^3.0.0",
+        "@sinonjs/fake-timers": "^10.0.2",
         "@sinonjs/samsam": "^7.0.1",
-        "diff": "^5.0.0",
-        "nise": "^5.1.2",
+        "diff": "^5.1.0",
+        "nise": "^5.1.4",
         "supports-color": "^7.2.0"
       },
       "funding": {
@@ -6485,6 +6485,24 @@
         "url": "https://opencollective.com/sinon"
       }
     },
+    "node_modules/sinon/node_modules/@sinonjs/commons": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-3.0.0.tgz",
+      "integrity": "sha512-jXBtWAF4vmdNmZgD5FoKsVLv3rPgDnLgPbU84LIJ3otV44vJlDRokVng5v8NFJdCf/da9legHcKaRuZs4L7faA==",
+      "dev": true,
+      "dependencies": {
+        "type-detect": "4.0.8"
+      }
+    },
+    "node_modules/sinon/node_modules/diff": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-5.1.0.tgz",
+      "integrity": "sha512-D+mk+qE8VC/PAUrlAU34N+VfXev0ghe5ywmpqrawphmVZc1bEfn56uo9qpyGp1p4xpzOHkSW4ztBd6L7Xx4ACw==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.3.1"
+      }
+    },
     "node_modules/sinon/node_modules/has-flag": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
@@ -12107,19 +12125,34 @@
       }
     },
     "sinon": {
-      "version": "15.0.1",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-15.0.1.tgz",
-      "integrity": "sha512-PZXKc08f/wcA/BMRGBze2Wmw50CWPiAH3E21EOi4B49vJ616vW4DQh4fQrqsYox2aNR/N3kCqLuB0PwwOucQrg==",
+      "version": "15.0.2",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-15.0.2.tgz",
+      "integrity": "sha512-PCVP63XZkg0/LOqQH5rEU4LILuvTFMb5tNxTHfs6VUMNnZz2XrnGSTZbAGITjzwQWbl/Bl/8hi4G3zZWjyBwHg==",
       "dev": true,
       "requires": {
-        "@sinonjs/commons": "^2.0.0",
-        "@sinonjs/fake-timers": "10.0.2",
+        "@sinonjs/commons": "^3.0.0",
+        "@sinonjs/fake-timers": "^10.0.2",
         "@sinonjs/samsam": "^7.0.1",
-        "diff": "^5.0.0",
-        "nise": "^5.1.2",
+        "diff": "^5.1.0",
+        "nise": "^5.1.4",
         "supports-color": "^7.2.0"
       },
       "dependencies": {
+        "@sinonjs/commons": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-3.0.0.tgz",
+          "integrity": "sha512-jXBtWAF4vmdNmZgD5FoKsVLv3rPgDnLgPbU84LIJ3otV44vJlDRokVng5v8NFJdCf/da9legHcKaRuZs4L7faA==",
+          "dev": true,
+          "requires": {
+            "type-detect": "4.0.8"
+          }
+        },
+        "diff": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/diff/-/diff-5.1.0.tgz",
+          "integrity": "sha512-D+mk+qE8VC/PAUrlAU34N+VfXev0ghe5ywmpqrawphmVZc1bEfn56uo9qpyGp1p4xpzOHkSW4ztBd6L7Xx4ACw==",
+          "dev": true
+        },
         "has-flag": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
diff --git a/package.json b/package.json
index 11ef731..8176924 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@digicatapult/dscp-ipfs",
-  "version": "2.9.5",
+  "version": "2.9.6",
   "description": "Service for DSCP",
   "main": "app/index.js",
   "type": "module",
@@ -57,6 +57,6 @@
     "nyc": "^15.1.0",
     "pino-colada": "^2.2.2",
     "prettier": "^2.8.4",
-    "sinon": "^15.0.1"
+    "sinon": "^15.0.2"
   }
 }