diff --git a/package-lock.json b/package-lock.json
index 0c7a608..d904f37 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
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@@ -1217,13 +1217,13 @@
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+        "@pact-foundation/pact-core": "^19.1.0",
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@@ -1244,9 +1244,9 @@
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@@ -1265,25 +1265,25 @@
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-        "@pact-foundation/pact-core-linux-x64-musl": "18.1.0",
-        "@pact-foundation/pact-core-windows-x64": "18.1.0"
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+        "@pact-foundation/pact-core-darwin-x64": "19.1.0",
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+        "@pact-foundation/pact-core-linux-arm64-musl": "19.1.0",
+        "@pact-foundation/pact-core-linux-x64-glibc": "19.1.0",
+        "@pact-foundation/pact-core-linux-x64-musl": "19.1.0",
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@@ -1295,9 +1295,9 @@
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+      "resolved": "https://registry.npmjs.org/@pact-foundation/pact-core-darwin-x64/-/pact-core-darwin-x64-19.1.0.tgz",
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@@ -1309,9 +1309,9 @@
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+      "resolved": "https://registry.npmjs.org/@pact-foundation/pact-core-linux-arm64-glibc/-/pact-core-linux-arm64-glibc-19.1.0.tgz",
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@@ -1326,9 +1326,9 @@
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@@ -1343,9 +1343,9 @@
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-      "resolved": "https://registry.npmjs.org/@pact-foundation/pact-core-linux-x64-glibc/-/pact-core-linux-x64-glibc-18.1.0.tgz",
-      "integrity": "sha512-rhR5iZS77Ie0ocJmtoTub82lyMQmjjn15UPhD5Tv1i2kYkbLCVPSYZpTrKak/OCDm5/AM0Lb7YqIZlOipMm/mA==",
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+      "resolved": "https://registry.npmjs.org/@pact-foundation/pact-core-linux-x64-glibc/-/pact-core-linux-x64-glibc-19.1.0.tgz",
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@@ -1360,9 +1360,9 @@
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@@ -1377,9 +1377,9 @@
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-      "resolved": "https://registry.npmjs.org/@pact-foundation/pact-core-windows-x64/-/pact-core-windows-x64-18.1.0.tgz",
-      "integrity": "sha512-ST7XNlI78c2MCvWvqv7on9M+DmNGlrihiD3Uk5jwZIAWEXeXEVinpfnM/Z5qFik4m3UCDe/Zu/1aNNiY1RN3dQ==",
+      "version": "19.1.0",
+      "resolved": "https://registry.npmjs.org/@pact-foundation/pact-core-windows-x64/-/pact-core-windows-x64-19.1.0.tgz",
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@@ -4524,9 +4524,9 @@
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-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.7.tgz",
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+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.8.tgz",
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       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index 4aae7d8..69262c6 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "@biomejs/biome": "2.4.7",
-    "@pact-foundation/pact": "16.2.0",
+    "@pact-foundation/pact": "16.3.0",
     "@testing-library/jest-dom": "6.9.1",
     "@types/node": "25.5.0",
     "@types/react": "19.2.14",