diff --git a/package-lock.json b/package-lock.json
index 11bed28..2509fee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,7 +22,7 @@
         "@well-known-components/logger": "^1.1.0",
         "@well-known-components/test-helpers": "^1.2.1",
         "jest": "^27.0.6",
-        "sinon": "^12.0.1",
+        "sinon": "^15.0.0",
         "ts-jest": "^27.0.5",
         "typescript": "^4.3.5"
       }
@@ -1164,16 +1164,25 @@
       }
     },
     "node_modules/@sinonjs/samsam": {
-      "version": "6.0.2",
-      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-6.0.2.tgz",
-      "integrity": "sha512-jxPRPp9n93ci7b8hMfJOFDPRLFYadN6FSpeROFTR4UNF4i5b+EK6m4QXPO46BDhFgRy1JuS87zAnFOzCUwMJcQ==",
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-7.0.1.tgz",
+      "integrity": "sha512-zsAk2Jkiq89mhZovB2LLOdTCxJF4hqqTToGP0ASWlhp4I1hqOjcfmZGafXntCN7MDC6yySH0mFHrYtHceOeLmw==",
       "dev": true,
       "dependencies": {
-        "@sinonjs/commons": "^1.6.0",
+        "@sinonjs/commons": "^2.0.0",
         "lodash.get": "^4.4.2",
         "type-detect": "^4.0.8"
       }
     },
+    "node_modules/@sinonjs/samsam/node_modules/@sinonjs/commons": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-2.0.0.tgz",
+      "integrity": "sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==",
+      "dev": true,
+      "dependencies": {
+        "type-detect": "4.0.8"
+      }
+    },
     "node_modules/@sinonjs/text-encoding": {
       "version": "0.7.1",
       "resolved": "https://registry.npmjs.org/@sinonjs/text-encoding/-/text-encoding-0.7.1.tgz",
@@ -4962,18 +4971,27 @@
       }
     },
     "node_modules/nise": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/nise/-/nise-5.1.0.tgz",
-      "integrity": "sha512-W5WlHu+wvo3PaKLsJJkgPup2LrsXCcm7AWwyNZkUnn5rwPkuPBi3Iwk5SQtN0mv+K65k7nKKjwNQ30wg3wLAQQ==",
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/nise/-/nise-5.1.2.tgz",
+      "integrity": "sha512-+gQjFi8v+tkfCuSCxfURHLhRhniE/+IaYbIphxAN2JRR9SHKhY8hgXpaXiYfHdw+gcGe4buxgbprBQFab9FkhA==",
       "dev": true,
       "dependencies": {
-        "@sinonjs/commons": "^1.7.0",
+        "@sinonjs/commons": "^2.0.0",
         "@sinonjs/fake-timers": "^7.0.4",
         "@sinonjs/text-encoding": "^0.7.1",
         "just-extend": "^4.0.2",
         "path-to-regexp": "^1.7.0"
       }
     },
+    "node_modules/nise/node_modules/@sinonjs/commons": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-2.0.0.tgz",
+      "integrity": "sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==",
+      "dev": true,
+      "dependencies": {
+        "type-detect": "4.0.8"
+      }
+    },
     "node_modules/nise/node_modules/path-to-regexp": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.8.0.tgz",
@@ -5775,16 +5793,16 @@
       "dev": true
     },
     "node_modules/sinon": {
-      "version": "12.0.1",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-12.0.1.tgz",
-      "integrity": "sha512-iGu29Xhym33ydkAT+aNQFBINakjq69kKO6ByPvTsm3yyIACfyQttRTP03aBP/I8GfhFmLzrnKwNNkr0ORb1udg==",
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-15.0.0.tgz",
+      "integrity": "sha512-pV97G1GbslaSJoSdy2F2z8uh5F+uPGp3ddOzA4JsBOUBLEQRz2OAqlKGRFTSh2KiqUCmHkzyAeu7R4x1Hx0wwg==",
       "dev": true,
       "dependencies": {
-        "@sinonjs/commons": "^1.8.3",
-        "@sinonjs/fake-timers": "^8.1.0",
-        "@sinonjs/samsam": "^6.0.2",
+        "@sinonjs/commons": "^2.0.0",
+        "@sinonjs/fake-timers": "^9.1.2",
+        "@sinonjs/samsam": "^7.0.1",
         "diff": "^5.0.0",
-        "nise": "^5.1.0",
+        "nise": "^5.1.2",
         "supports-color": "^7.2.0"
       },
       "funding": {
@@ -5792,15 +5810,33 @@
         "url": "https://opencollective.com/sinon"
       }
     },
+    "node_modules/sinon/node_modules/@sinonjs/commons": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-2.0.0.tgz",
+      "integrity": "sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==",
+      "dev": true,
+      "dependencies": {
+        "type-detect": "4.0.8"
+      }
+    },
     "node_modules/sinon/node_modules/@sinonjs/fake-timers": {
-      "version": "8.1.0",
-      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-8.1.0.tgz",
-      "integrity": "sha512-OAPJUAtgeINhh/TAlUID4QTs53Njm7xzddaVlEs/SXwgtiD1tW22zAB/W1wdqfrpmikgaWQ9Fw6Ws+hsiRm5Vg==",
+      "version": "9.1.2",
+      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-9.1.2.tgz",
+      "integrity": "sha512-BPS4ynJW/o92PUR4wgriz2Ud5gpST5vz6GQfMixEDK0Z8ZCUv2M7SkBLykH56T++Xs+8ln9zTGbOvNGIe02/jw==",
       "dev": true,
       "dependencies": {
         "@sinonjs/commons": "^1.7.0"
       }
     },
+    "node_modules/sinon/node_modules/@sinonjs/fake-timers/node_modules/@sinonjs/commons": {
+      "version": "1.8.6",
+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-1.8.6.tgz",
+      "integrity": "sha512-Ky+XkAkqPZSm3NLBeUng77EBQl3cmeJhITaGHdYH8kjVB+aun3S4XBRti2zt17mtt0mIUDiNxYeoJm6drVvBJQ==",
+      "dev": true,
+      "dependencies": {
+        "type-detect": "4.0.8"
+      }
+    },
     "node_modules/sisteransi": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/sisteransi/-/sisteransi-1.0.5.tgz",
@@ -7456,14 +7492,25 @@
       }
     },
     "@sinonjs/samsam": {
-      "version": "6.0.2",
-      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-6.0.2.tgz",
-      "integrity": "sha512-jxPRPp9n93ci7b8hMfJOFDPRLFYadN6FSpeROFTR4UNF4i5b+EK6m4QXPO46BDhFgRy1JuS87zAnFOzCUwMJcQ==",
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-7.0.1.tgz",
+      "integrity": "sha512-zsAk2Jkiq89mhZovB2LLOdTCxJF4hqqTToGP0ASWlhp4I1hqOjcfmZGafXntCN7MDC6yySH0mFHrYtHceOeLmw==",
       "dev": true,
       "requires": {
-        "@sinonjs/commons": "^1.6.0",
+        "@sinonjs/commons": "^2.0.0",
         "lodash.get": "^4.4.2",
         "type-detect": "^4.0.8"
+      },
+      "dependencies": {
+        "@sinonjs/commons": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-2.0.0.tgz",
+          "integrity": "sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==",
+          "dev": true,
+          "requires": {
+            "type-detect": "4.0.8"
+          }
+        }
       }
     },
     "@sinonjs/text-encoding": {
@@ -10455,18 +10502,27 @@
       "dev": true
     },
     "nise": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/nise/-/nise-5.1.0.tgz",
-      "integrity": "sha512-W5WlHu+wvo3PaKLsJJkgPup2LrsXCcm7AWwyNZkUnn5rwPkuPBi3Iwk5SQtN0mv+K65k7nKKjwNQ30wg3wLAQQ==",
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/nise/-/nise-5.1.2.tgz",
+      "integrity": "sha512-+gQjFi8v+tkfCuSCxfURHLhRhniE/+IaYbIphxAN2JRR9SHKhY8hgXpaXiYfHdw+gcGe4buxgbprBQFab9FkhA==",
       "dev": true,
       "requires": {
-        "@sinonjs/commons": "^1.7.0",
+        "@sinonjs/commons": "^2.0.0",
         "@sinonjs/fake-timers": "^7.0.4",
         "@sinonjs/text-encoding": "^0.7.1",
         "just-extend": "^4.0.2",
         "path-to-regexp": "^1.7.0"
       },
       "dependencies": {
+        "@sinonjs/commons": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-2.0.0.tgz",
+          "integrity": "sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==",
+          "dev": true,
+          "requires": {
+            "type-detect": "4.0.8"
+          }
+        },
         "path-to-regexp": {
           "version": "1.8.0",
           "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.8.0.tgz",
@@ -11073,26 +11129,46 @@
       "dev": true
     },
     "sinon": {
-      "version": "12.0.1",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-12.0.1.tgz",
-      "integrity": "sha512-iGu29Xhym33ydkAT+aNQFBINakjq69kKO6ByPvTsm3yyIACfyQttRTP03aBP/I8GfhFmLzrnKwNNkr0ORb1udg==",
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-15.0.0.tgz",
+      "integrity": "sha512-pV97G1GbslaSJoSdy2F2z8uh5F+uPGp3ddOzA4JsBOUBLEQRz2OAqlKGRFTSh2KiqUCmHkzyAeu7R4x1Hx0wwg==",
       "dev": true,
       "requires": {
-        "@sinonjs/commons": "^1.8.3",
-        "@sinonjs/fake-timers": "^8.1.0",
-        "@sinonjs/samsam": "^6.0.2",
+        "@sinonjs/commons": "^2.0.0",
+        "@sinonjs/fake-timers": "^9.1.2",
+        "@sinonjs/samsam": "^7.0.1",
         "diff": "^5.0.0",
-        "nise": "^5.1.0",
+        "nise": "^5.1.2",
         "supports-color": "^7.2.0"
       },
       "dependencies": {
+        "@sinonjs/commons": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-2.0.0.tgz",
+          "integrity": "sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==",
+          "dev": true,
+          "requires": {
+            "type-detect": "4.0.8"
+          }
+        },
         "@sinonjs/fake-timers": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-8.1.0.tgz",
-          "integrity": "sha512-OAPJUAtgeINhh/TAlUID4QTs53Njm7xzddaVlEs/SXwgtiD1tW22zAB/W1wdqfrpmikgaWQ9Fw6Ws+hsiRm5Vg==",
+          "version": "9.1.2",
+          "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-9.1.2.tgz",
+          "integrity": "sha512-BPS4ynJW/o92PUR4wgriz2Ud5gpST5vz6GQfMixEDK0Z8ZCUv2M7SkBLykH56T++Xs+8ln9zTGbOvNGIe02/jw==",
           "dev": true,
           "requires": {
             "@sinonjs/commons": "^1.7.0"
+          },
+          "dependencies": {
+            "@sinonjs/commons": {
+              "version": "1.8.6",
+              "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-1.8.6.tgz",
+              "integrity": "sha512-Ky+XkAkqPZSm3NLBeUng77EBQl3cmeJhITaGHdYH8kjVB+aun3S4XBRti2zt17mtt0mIUDiNxYeoJm6drVvBJQ==",
+              "dev": true,
+              "requires": {
+                "type-detect": "4.0.8"
+              }
+            }
           }
         }
       }
diff --git a/package.json b/package.json
index 7489c7f..5947fc3 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@well-known-components/http-server": "^1.1.1",
     "@well-known-components/logger": "^1.1.0",
     "jest": "^27.0.6",
-    "sinon": "^12.0.1",
+    "sinon": "^15.0.0",
     "ts-jest": "^27.0.5",
     "typescript": "^4.3.5"
   },